Finding the Fourth Proportional to 80,061.96, 110,139.72 and 69,225.96

Step by Step Solution

1. Step 1: Write the proportion equation
   80,061.96 : 110,139.72 = 69,225.96 : x
2. Step 2: Convert to fraction form
   80,061.96/110,139.72 = 69,225.96/x
3. Step 3: Cross multiply
   80,061.96x = 110,139.72 × 69,225.96
4. Step 4: Simplify right side
   80,061.96x = 7,624,527,851.13
5. Step 5: Solve for x
   x = 7,624,527,851.13/80,061.96
6. Step 6: Final answer
   x = 95,232.84