Finding the Fourth Proportional to 1,613,200.50, 2,419,789.98 and 653,641.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613,200.50 : 2,419,789.98 = 653,641.95 : x
2. Step 2: Convert to fraction form
   1,613,200.50/2,419,789.98 = 653,641.95/x
3. Step 3: Cross multiply
   1,613,200.50x = 2,419,789.98 × 653,641.95
4. Step 4: Simplify right side
   1,613,200.50x = 1,581,676,227,384.61
5. Step 5: Solve for x
   x = 1,581,676,227,384.61/1,613,200.50
6. Step 6: Final answer
   x = 980,458.56