Finding the Fourth Proportional to 111,231.12, 153,500.76 and 60,926.88

Step by Step Solution

1. Step 1: Write the proportion equation
   111,231.12 : 153,500.76 = 60,926.88 : x
2. Step 2: Convert to fraction form
   111,231.12/153,500.76 = 60,926.88/x
3. Step 3: Cross multiply
   111,231.12x = 153,500.76 × 60,926.88
4. Step 4: Simplify right side
   111,231.12x = 9,352,322,384.43
5. Step 5: Solve for x
   x = 9,352,322,384.43/111,231.12
6. Step 6: Final answer
   x = 84,080.09