Finding the Fourth Proportional to 158,978.84, 238,503.29 and 88,005

Step by Step Solution

1. Step 1: Write the proportion equation
   158,978.84 : 238,503.29 = 88,005 : x
2. Step 2: Convert to fraction form
   158,978.84/238,503.29 = 88,005/x
3. Step 3: Cross multiply
   158,978.84x = 238,503.29 × 88,005
4. Step 4: Simplify right side
   158,978.84x = 20,989,481,596.43
5. Step 5: Solve for x
   x = 20,989,481,596.43/158,978.84
6. Step 6: Final answer
   x = 132,026.89