Finding the Fourth Proportional to 115,500.66, 159,393.52 and 67,788.42

Step by Step Solution

1. Step 1: Write the proportion equation
   115,500.66 : 159,393.52 = 67,788.42 : x
2. Step 2: Convert to fraction form
   115,500.66/159,393.52 = 67,788.42/x
3. Step 3: Cross multiply
   115,500.66x = 159,393.52 × 67,788.42
4. Step 4: Simplify right side
   115,500.66x = 10,805,034,879.04
5. Step 5: Solve for x
   x = 10,805,034,879.04/115,500.66
6. Step 6: Final answer
   x = 93,549.55