Finding the Fourth Proportional to 109,920.88, 151,635 and 69,566.64

Step by Step Solution

1. Step 1: Write the proportion equation
   109,920.88 : 151,635 = 69,566.64 : x
2. Step 2: Convert to fraction form
   109,920.88/151,635 = 69,566.64/x
3. Step 3: Cross multiply
   109,920.88x = 151,635 × 69,566.64
4. Step 4: Simplify right side
   109,920.88x = 10,548,737,456.40
5. Step 5: Solve for x
   x = 10,548,737,456.40/109,920.88
6. Step 6: Final answer
   x = 95,966.64