Finding the Fourth Proportional to 158,978.34, 238,502.54 and 88,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,978.34 : 238,502.54 = 88,004.50 : x
2. Step 2: Convert to fraction form
   158,978.34/238,502.54 = 88,004.50/x
3. Step 3: Cross multiply
   158,978.34x = 238,502.54 × 88,004.50
4. Step 4: Simplify right side
   158,978.34x = 20,989,296,781.43
5. Step 5: Solve for x
   x = 20,989,296,781.43/158,978.34
6. Step 6: Final answer
   x = 132,026.14