Finding the Fourth Proportional to 238,513.76, 329,156.88 and 131,087.60

Step by Step Solution

1. Step 1: Write the proportion equation
   238,513.76 : 329,156.88 = 131,087.60 : x
2. Step 2: Convert to fraction form
   238,513.76/329,156.88 = 131,087.60/x
3. Step 3: Cross multiply
   238,513.76x = 329,156.88 × 131,087.60
4. Step 4: Simplify right side
   238,513.76x = 43,148,385,422.69
5. Step 5: Solve for x
   x = 43,148,385,422.69/238,513.76
6. Step 6: Final answer
   x = 180,905.23