Finding the Fourth Proportional to 1,359,123.60, 2,038,691.88 and 412,502.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,123.60 : 2,038,691.88 = 412,502.52 : x
2. Step 2: Convert to fraction form
   1,359,123.60/2,038,691.88 = 412,502.52/x
3. Step 3: Cross multiply
   1,359,123.60x = 2,038,691.88 × 412,502.52
4. Step 4: Simplify right side
   1,359,123.60x = 840,965,538,003.54
5. Step 5: Solve for x
   x = 840,965,538,003.54/1,359,123.60
6. Step 6: Final answer
   x = 618,755.75