Finding the Fourth Proportional to 8,930,766.72, 13,379,288.28 and 5,276,593.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,930,766.72 : 13,379,288.28 = 5,276,593.20 : x
2. Step 2: Convert to fraction form
   8,930,766.72/13,379,288.28 = 5,276,593.20/x
3. Step 3: Cross multiply
   8,930,766.72x = 13,379,288.28 × 5,276,593.20
4. Step 4: Simplify right side
   8,930,766.72x = 70,597,061,559,087.69
5. Step 5: Solve for x
   x = 70,597,061,559,087.69/8,930,766.72
6. Step 6: Final answer
   x = 7,904,927.29