Finding the Fourth Proportional to 10,251,965,885,854, 14,147,723,393,064 and 5,564,365,617,473.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,251,965,885,854 : 14,147,723,393,064 = 5,564,365,617,473.50 : x
2. Step 2: Convert to fraction form
   10,251,965,885,854/14,147,723,393,064 = 5,564,365,617,473.50/x
3. Step 3: Cross multiply
   10,251,965,885,854x = 14,147,723,393,064 × 5,564,365,617,473.50
4. Step 4: Simplify right side
   10,251,965,885,854x = 78,723,105,613,890,849,177,862,144
5. Step 5: Solve for x
   x = 78,723,105,613,890,849,177,862,144/10,251,965,885,854
6. Step 6: Final answer
   x = 7,678,830,235,137.20