Finding the Fourth Proportional to 111,585.85, 153,997.98 and 63,196.23

Step by Step Solution

1. Step 1: Write the proportion equation
   111,585.85 : 153,997.98 = 63,196.23 : x
2. Step 2: Convert to fraction form
   111,585.85/153,997.98 = 63,196.23/x
3. Step 3: Cross multiply
   111,585.85x = 153,997.98 × 63,196.23
4. Step 4: Simplify right side
   111,585.85x = 9,732,092,104.12
5. Step 5: Solve for x
   x = 9,732,092,104.12/111,585.85
6. Step 6: Final answer
   x = 87,216.18