Finding the Fourth Proportional to 111,441.47, 153,799.83 and 63,685.55

Step by Step Solution

1. Step 1: Write the proportion equation
   111,441.47 : 153,799.83 = 63,685.55 : x
2. Step 2: Convert to fraction form
   111,441.47/153,799.83 = 63,685.55/x
3. Step 3: Cross multiply
   111,441.47x = 153,799.83 × 63,685.55
4. Step 4: Simplify right side
   111,441.47x = 9,794,827,147.96
5. Step 5: Solve for x
   x = 9,794,827,147.96/111,441.47
6. Step 6: Final answer
   x = 87,892.12