Finding the Fourth Proportional to 160,488.50, 221,471.41 and 88,866.98

Step by Step Solution

1. Step 1: Write the proportion equation
   160,488.50 : 221,471.41 = 88,866.98 : x
2. Step 2: Convert to fraction form
   160,488.50/221,471.41 = 88,866.98/x
3. Step 3: Cross multiply
   160,488.50x = 221,471.41 × 88,866.98
4. Step 4: Simplify right side
   160,488.50x = 19,681,494,033.52
5. Step 5: Solve for x
   x = 19,681,494,033.52/160,488.50
6. Step 6: Final answer
   x = 122,634.92