Finding the Fourth Proportional to 111,985.90, 154,534.71 and 69,543.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,985.90 : 154,534.71 = 69,543.52 : x
2. Step 2: Convert to fraction form
   111,985.90/154,534.71 = 69,543.52/x
3. Step 3: Cross multiply
   111,985.90x = 154,534.71 × 69,543.52
4. Step 4: Simplify right side
   111,985.90x = 10,746,887,695.58
5. Step 5: Solve for x
   x = 10,746,887,695.58/111,985.90
6. Step 6: Final answer
   x = 95,966.44