Finding the Fourth Proportional to 374,300.52, 516,587.40 and 238,291.02

Step by Step Solution

1. Step 1: Write the proportion equation
   374,300.52 : 516,587.40 = 238,291.02 : x
2. Step 2: Convert to fraction form
   374,300.52/516,587.40 = 238,291.02/x
3. Step 3: Cross multiply
   374,300.52x = 516,587.40 × 238,291.02
4. Step 4: Simplify right side
   374,300.52x = 123,098,138,465.15
5. Step 5: Solve for x
   x = 123,098,138,465.15/374,300.52
6. Step 6: Final answer
   x = 328,875.15