Finding the Fourth Proportional to 238,829.31, 329,598.18 and 131,401.98

Step by Step Solution

1. Step 1: Write the proportion equation
   238,829.31 : 329,598.18 = 131,401.98 : x
2. Step 2: Convert to fraction form
   238,829.31/329,598.18 = 131,401.98/x
3. Step 3: Cross multiply
   238,829.31x = 329,598.18 × 131,401.98
4. Step 4: Simplify right side
   238,829.31x = 43,309,853,456.40
5. Step 5: Solve for x
   x = 43,309,853,456.40/238,829.31
6. Step 6: Final answer
   x = 181,342.29