Finding the Fourth Proportional to 111,288.76, 153,582.42 and 60,987.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,288.76 : 153,582.42 = 60,987.76 : x
2. Step 2: Convert to fraction form
   111,288.76/153,582.42 = 60,987.76/x
3. Step 3: Cross multiply
   111,288.76x = 153,582.42 × 60,987.76
4. Step 4: Simplify right side
   111,288.76x = 9,366,647,771.18
5. Step 5: Solve for x
   x = 9,366,647,771.18/111,288.76
6. Step 6: Final answer
   x = 84,165.26