Finding the Fourth Proportional to 111,280.48, 153,620.28 and 63,524.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,280.48 : 153,620.28 = 63,524.60 : x
2. Step 2: Convert to fraction form
   111,280.48/153,620.28 = 63,524.60/x
3. Step 3: Cross multiply
   111,280.48x = 153,620.28 × 63,524.60
4. Step 4: Simplify right side
   111,280.48x = 9,758,666,838.89
5. Step 5: Solve for x
   x = 9,758,666,838.89/111,280.48
6. Step 6: Final answer
   x = 87,694.33