Finding the Fourth Proportional to 238,719.25, 329,437.83 and 131,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   238,719.25 : 329,437.83 = 131,294.72 : x
2. Step 2: Convert to fraction form
   238,719.25/329,437.83 = 131,294.72/x
3. Step 3: Cross multiply
   238,719.25x = 329,437.83 × 131,294.72
4. Step 4: Simplify right side
   238,719.25x = 43,253,448,963.21
5. Step 5: Solve for x
   x = 43,253,448,963.21/238,719.25
6. Step 6: Final answer
   x = 181,189.61