Finding the Fourth Proportional to 111,502.56, 153,873.47 and 63,103.61

Step by Step Solution

1. Step 1: Write the proportion equation
   111,502.56 : 153,873.47 = 63,103.61 : x
2. Step 2: Convert to fraction form
   111,502.56/153,873.47 = 63,103.61/x
3. Step 3: Cross multiply
   111,502.56x = 153,873.47 × 63,103.61
4. Step 4: Simplify right side
   111,502.56x = 9,709,970,355.34
5. Step 5: Solve for x
   x = 9,709,970,355.34/111,502.56
6. Step 6: Final answer
   x = 87,082.94