Finding the Fourth Proportional to 31,420,098.96, 47,029,337.46 and 16,810,470.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,420,098.96 : 47,029,337.46 = 16,810,470.78 : x
2. Step 2: Convert to fraction form
   31,420,098.96/47,029,337.46 = 16,810,470.78/x
3. Step 3: Cross multiply
   31,420,098.96x = 47,029,337.46 × 16,810,470.78
4. Step 4: Simplify right side
   31,420,098.96x = 790,585,303,174,089.50
5. Step 5: Solve for x
   x = 790,585,303,174,089.50/31,420,098.96
6. Step 6: Final answer
   x = 25,161,769.99