Finding the Fourth Proportional to 472,061.39, 651,452.18 and 257,201.37

Step by Step Solution

1. Step 1: Write the proportion equation
   472,061.39 : 651,452.18 = 257,201.37 : x
2. Step 2: Convert to fraction form
   472,061.39/651,452.18 = 257,201.37/x
3. Step 3: Cross multiply
   472,061.39x = 651,452.18 × 257,201.37
4. Step 4: Simplify right side
   472,061.39x = 167,554,391,899.48
5. Step 5: Solve for x
   x = 167,554,391,899.48/472,061.39
6. Step 6: Final answer
   x = 354,941.96