Finding the Fourth Proportional to 160,296.52, 221,215.71 and 88,675.31

Step by Step Solution

1. Step 1: Write the proportion equation
   160,296.52 : 221,215.71 = 88,675.31 : x
2. Step 2: Convert to fraction form
   160,296.52/221,215.71 = 88,675.31/x
3. Step 3: Cross multiply
   160,296.52x = 221,215.71 × 88,675.31
4. Step 4: Simplify right side
   160,296.52x = 19,616,371,661.12
5. Step 5: Solve for x
   x = 19,616,371,661.12/160,296.52
6. Step 6: Final answer
   x = 122,375.53