Finding the Fourth Proportional to 708,144.86, 1,062,531.24 and 371,105.38

Step by Step Solution

1. Step 1: Write the proportion equation
   708,144.86 : 1,062,531.24 = 371,105.38 : x
2. Step 2: Convert to fraction form
   708,144.86/1,062,531.24 = 371,105.38/x
3. Step 3: Cross multiply
   708,144.86x = 1,062,531.24 × 371,105.38
4. Step 4: Simplify right side
   708,144.86x = 394,311,059,518.59
5. Step 5: Solve for x
   x = 394,311,059,518.59/708,144.86
6. Step 6: Final answer
   x = 556,822.59