Finding the Fourth Proportional to 111,645.27, 154,061.54 and 63,887.67

Step by Step Solution

1. Step 1: Write the proportion equation
   111,645.27 : 154,061.54 = 63,887.67 : x
2. Step 2: Convert to fraction form
   111,645.27/154,061.54 = 63,887.67/x
3. Step 3: Cross multiply
   111,645.27x = 154,061.54 × 63,887.67
4. Step 4: Simplify right side
   111,645.27x = 9,842,632,507.77
5. Step 5: Solve for x
   x = 9,842,632,507.77/111,645.27
6. Step 6: Final answer
   x = 88,159.87