Finding the Fourth Proportional to 31,420,100.96, 47,029,340.46 and 16,810,472.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,420,100.96 : 47,029,340.46 = 16,810,472.78 : x
2. Step 2: Convert to fraction form
   31,420,100.96/47,029,340.46 = 16,810,472.78/x
3. Step 3: Cross multiply
   31,420,100.96x = 47,029,340.46 × 16,810,472.78
4. Step 4: Simplify right side
   31,420,100.96x = 790,585,447,664,182.75
5. Step 5: Solve for x
   x = 790,585,447,664,182.75/31,420,100.96
6. Step 6: Final answer
   x = 25,161,772.99