Finding the Fourth Proportional to 12,368,123.48, 17,060,919.18 and 7,713,828.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,368,123.48 : 17,060,919.18 = 7,713,828.11 : x
2. Step 2: Convert to fraction form
   12,368,123.48/17,060,919.18 = 7,713,828.11/x
3. Step 3: Cross multiply
   12,368,123.48x = 17,060,919.18 × 7,713,828.11
4. Step 4: Simplify right side
   12,368,123.48x = 131,604,997,867,817.56
5. Step 5: Solve for x
   x = 131,604,997,867,817.56/12,368,123.48
6. Step 6: Final answer
   x = 10,640,660.09