Finding the Fourth Proportional to 115,095.59, 158,856.43 and 77,347.97

Step by Step Solution

1. Step 1: Write the proportion equation
   115,095.59 : 158,856.43 = 77,347.97 : x
2. Step 2: Convert to fraction form
   115,095.59/158,856.43 = 77,347.97/x
3. Step 3: Cross multiply
   115,095.59x = 158,856.43 × 77,347.97
4. Step 4: Simplify right side
   115,095.59x = 12,287,222,585.72
5. Step 5: Solve for x
   x = 12,287,222,585.72/115,095.59
6. Step 6: Final answer
   x = 106,756.67