Finding the Fourth Proportional to 1,123,699.60, 1,550,705.40 and 614,402.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,699.60 : 1,550,705.40 = 614,402.02 : x
2. Step 2: Convert to fraction form
   1,123,699.60/1,550,705.40 = 614,402.02/x
3. Step 3: Cross multiply
   1,123,699.60x = 1,550,705.40 × 614,402.02
4. Step 4: Simplify right side
   1,123,699.60x = 952,756,530,184.91
5. Step 5: Solve for x
   x = 952,756,530,184.91/1,123,699.60
6. Step 6: Final answer
   x = 847,874.76