Finding the Fourth Proportional to 374,309.52, 516,599.82 and 238,300.02

Step by Step Solution

1. Step 1: Write the proportion equation
   374,309.52 : 516,599.82 = 238,300.02 : x
2. Step 2: Convert to fraction form
   374,309.52/516,599.82 = 238,300.02/x
3. Step 3: Cross multiply
   374,309.52x = 516,599.82 × 238,300.02
4. Step 4: Simplify right side
   374,309.52x = 123,105,747,438.00
5. Step 5: Solve for x
   x = 123,105,747,438.00/374,309.52
6. Step 6: Final answer
   x = 328,887.57