Finding the Fourth Proportional to 114,778.57, 158,394.28 and 63,789.69

Step by Step Solution

1. Step 1: Write the proportion equation
   114,778.57 : 158,394.28 = 63,789.69 : x
2. Step 2: Convert to fraction form
   114,778.57/158,394.28 = 63,789.69/x
3. Step 3: Cross multiply
   114,778.57x = 158,394.28 × 63,789.69
4. Step 4: Simplify right side
   114,778.57x = 10,103,922,018.97
5. Step 5: Solve for x
   x = 10,103,922,018.97/114,778.57
6. Step 6: Final answer
   x = 88,029.69