Finding the Fourth Proportional to 517,275.31, 713,938.72 and 342,537.52

Step by Step Solution

1. Step 1: Write the proportion equation
   517,275.31 : 713,938.72 = 342,537.52 : x
2. Step 2: Convert to fraction form
   517,275.31/713,938.72 = 342,537.52/x
3. Step 3: Cross multiply
   517,275.31x = 713,938.72 × 342,537.52
4. Step 4: Simplify right side
   517,275.31x = 244,550,798,580.77
5. Step 5: Solve for x
   x = 244,550,798,580.77/517,275.31
6. Step 6: Final answer
   x = 472,767.20