Finding the Fourth Proportional to 115,007.27, 158,546.04 and 89,468.78

Step by Step Solution

1. Step 1: Write the proportion equation
   115,007.27 : 158,546.04 = 89,468.78 : x
2. Step 2: Convert to fraction form
   115,007.27/158,546.04 = 89,468.78/x
3. Step 3: Cross multiply
   115,007.27x = 158,546.04 × 89,468.78
4. Step 4: Simplify right side
   115,007.27x = 14,184,920,772.63
5. Step 5: Solve for x
   x = 14,184,920,772.63/115,007.27
6. Step 6: Final answer
   x = 123,339.34