Finding the Fourth Proportional to 111,391.19, 153,727.98 and 63,643.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111,391.19 : 153,727.98 = 63,643.52 : x
2. Step 2: Convert to fraction form
   111,391.19/153,727.98 = 63,643.52/x
3. Step 3: Cross multiply
   111,391.19x = 153,727.98 × 63,643.52
4. Step 4: Simplify right side
   111,391.19x = 9,783,788,682.83
5. Step 5: Solve for x
   x = 9,783,788,682.83/111,391.19
6. Step 6: Final answer
   x = 87,832.70