Finding the Fourth Proportional to 57,120,146.85, 78,825,895.98 and 31,014,715.17

Step by Step Solution

1. Step 1: Write the proportion equation
   57,120,146.85 : 78,825,895.98 = 31,014,715.17 : x
2. Step 2: Convert to fraction form
   57,120,146.85/78,825,895.98 = 31,014,715.17/x
3. Step 3: Cross multiply
   57,120,146.85x = 78,825,895.98 × 31,014,715.17
4. Step 4: Simplify right side
   57,120,146.85x = 2,444,762,711,839,748.50
5. Step 5: Solve for x
   x = 2,444,762,711,839,748.50/57,120,146.85
6. Step 6: Final answer
   x = 42,800,357.61