Finding the Fourth Proportional to 111,644.02, 154,059.81 and 63,886.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,644.02 : 154,059.81 = 63,886.42 : x
2. Step 2: Convert to fraction form
   111,644.02/154,059.81 = 63,886.42/x
3. Step 3: Cross multiply
   111,644.02x = 154,059.81 × 63,886.42
4. Step 4: Simplify right side
   111,644.02x = 9,842,329,726.78
5. Step 5: Solve for x
   x = 9,842,329,726.78/111,644.02
6. Step 6: Final answer
   x = 88,158.15