Finding the Fourth Proportional to 111,540.65, 153,904.46 and 63,783.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,540.65 : 153,904.46 = 63,783.86 : x
2. Step 2: Convert to fraction form
   111,540.65/153,904.46 = 63,783.86/x
3. Step 3: Cross multiply
   111,540.65x = 153,904.46 × 63,783.86
4. Step 4: Simplify right side
   111,540.65x = 9,816,619,441.57
5. Step 5: Solve for x
   x = 9,816,619,441.57/111,540.65
6. Step 6: Final answer
   x = 88,009.35