Finding the Fourth Proportional to 111,989.58, 154,534.42 and 68,962.18

Step by Step Solution

1. Step 1: Write the proportion equation
   111,989.58 : 154,534.42 = 68,962.18 : x
2. Step 2: Convert to fraction form
   111,989.58/154,534.42 = 68,962.18/x
3. Step 3: Cross multiply
   111,989.58x = 154,534.42 × 68,962.18
4. Step 4: Simplify right side
   111,989.58x = 10,657,030,143.42
5. Step 5: Solve for x
   x = 10,657,030,143.42/111,989.58
6. Step 6: Final answer
   x = 95,160.91