Finding the Fourth Proportional to 627,300.09, 865,747.92 and 372,651.27

Step by Step Solution

1. Step 1: Write the proportion equation
   627,300.09 : 865,747.92 = 372,651.27 : x
2. Step 2: Convert to fraction form
   627,300.09/865,747.92 = 372,651.27/x
3. Step 3: Cross multiply
   627,300.09x = 865,747.92 × 372,651.27
4. Step 4: Simplify right side
   627,300.09x = 322,622,061,887.86
5. Step 5: Solve for x
   x = 322,622,061,887.86/627,300.09
6. Step 6: Final answer
   x = 514,302.59