Finding the Fourth Proportional to 80,492.32, 111,109.17 and 69,116.10

Step by Step Solution

1. Step 1: Write the proportion equation
   80,492.32 : 111,109.17 = 69,116.10 : x
2. Step 2: Convert to fraction form
   80,492.32/111,109.17 = 69,116.10/x
3. Step 3: Cross multiply
   80,492.32x = 111,109.17 × 69,116.10
4. Step 4: Simplify right side
   80,492.32x = 7,679,432,504.64
5. Step 5: Solve for x
   x = 7,679,432,504.64/80,492.32
6. Step 6: Final answer
   x = 95,405.78