Finding the Fourth Proportional to 111,645.02, 154,061.19 and 63,887.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,645.02 : 154,061.19 = 63,887.42 : x
2. Step 2: Convert to fraction form
   111,645.02/154,061.19 = 63,887.42/x
3. Step 3: Cross multiply
   111,645.02x = 154,061.19 × 63,887.42
4. Step 4: Simplify right side
   111,645.02x = 9,842,571,951.23
5. Step 5: Solve for x
   x = 9,842,571,951.23/111,645.02
6. Step 6: Final answer
   x = 88,159.53