Finding the Fourth Proportional to 111,227.72, 153,521.72 and 63,508.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,227.72 : 153,521.72 = 63,508.75 : x
2. Step 2: Convert to fraction form
   111,227.72/153,521.72 = 63,508.75/x
3. Step 3: Cross multiply
   111,227.72x = 153,521.72 × 63,508.75
4. Step 4: Simplify right side
   111,227.72x = 9,749,972,535.05
5. Step 5: Solve for x
   x = 9,749,972,535.05/111,227.72
6. Step 6: Final answer
   x = 87,657.76