Finding the Fourth Proportional to 89,730.16, 123,872.61 and 69,541.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,730.16 : 123,872.61 = 69,541.72 : x
2. Step 2: Convert to fraction form
   89,730.16/123,872.61 = 69,541.72/x
3. Step 3: Cross multiply
   89,730.16x = 123,872.61 × 69,541.72
4. Step 4: Simplify right side
   89,730.16x = 8,614,314,360.29
5. Step 5: Solve for x
   x = 8,614,314,360.29/89,730.16
6. Step 6: Final answer
   x = 96,002.44