Finding the Fourth Proportional to 147,344.13, 221,014.56 and 88,196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   147,344.13 : 221,014.56 = 88,196.31 : x
2. Step 2: Convert to fraction form
   147,344.13/221,014.56 = 88,196.31/x
3. Step 3: Cross multiply
   147,344.13x = 221,014.56 × 88,196.31
4. Step 4: Simplify right side
   147,344.13x = 19,492,668,648.27
5. Step 5: Solve for x
   x = 19,492,668,648.27/147,344.13
6. Step 6: Final answer
   x = 132,293.49