Finding the Fourth Proportional to 111,356.88, 153,678.24 and 63,615.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,356.88 : 153,678.24 = 63,615.52 : x
2. Step 2: Convert to fraction form
   111,356.88/153,678.24 = 63,615.52/x
3. Step 3: Cross multiply
   111,356.88x = 153,678.24 × 63,615.52
4. Step 4: Simplify right side
   111,356.88x = 9,776,321,150.28
5. Step 5: Solve for x
   x = 9,776,321,150.28/111,356.88
6. Step 6: Final answer
   x = 87,792.70