Finding the Fourth Proportional to 238,604.72, 329,280.82 and 129,716.38

Step by Step Solution

1. Step 1: Write the proportion equation
   238,604.72 : 329,280.82 = 129,716.38 : x
2. Step 2: Convert to fraction form
   238,604.72/329,280.82 = 129,716.38/x
3. Step 3: Cross multiply
   238,604.72x = 329,280.82 × 129,716.38
4. Step 4: Simplify right side
   238,604.72x = 42,713,115,973.83
5. Step 5: Solve for x
   x = 42,713,115,973.83/238,604.72
6. Step 6: Final answer
   x = 179,012.03