Finding the Fourth Proportional to 115,900.93, 159,947.22 and 68,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   115,900.93 : 159,947.22 = 68,158.72 : x
2. Step 2: Convert to fraction form
   115,900.93/159,947.22 = 68,158.72/x
3. Step 3: Cross multiply
   115,900.93x = 159,947.22 × 68,158.72
4. Step 4: Simplify right side
   115,900.93x = 10,901,797,782.76
5. Step 5: Solve for x
   x = 10,901,797,782.76/115,900.93
6. Step 6: Final answer
   x = 94,061.35