Finding the Fourth Proportional to 111,462.54, 153,818.31 and 63,716.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,462.54 : 153,818.31 = 63,716.96 : x
2. Step 2: Convert to fraction form
   111,462.54/153,818.31 = 63,716.96/x
3. Step 3: Cross multiply
   111,462.54x = 153,818.31 × 63,716.96
4. Step 4: Simplify right side
   111,462.54x = 9,800,835,105.54
5. Step 5: Solve for x
   x = 9,800,835,105.54/111,462.54
6. Step 6: Final answer
   x = 87,929.41