Finding the Fourth Proportional to 111,288.24, 153,572.76 and 60,986.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,288.24 : 153,572.76 = 60,986.16 : x
2. Step 2: Convert to fraction form
   111,288.24/153,572.76 = 60,986.16/x
3. Step 3: Cross multiply
   111,288.24x = 153,572.76 × 60,986.16
4. Step 4: Simplify right side
   111,288.24x = 9,365,812,913.00
5. Step 5: Solve for x
   x = 9,365,812,913.00/111,288.24
6. Step 6: Final answer
   x = 84,158.15