Finding the Fourth Proportional to 89,444.71, 123,433.77 and 49,158.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,444.71 : 123,433.77 = 49,158.46 : x
2. Step 2: Convert to fraction form
   89,444.71/123,433.77 = 49,158.46/x
3. Step 3: Cross multiply
   89,444.71x = 123,433.77 × 49,158.46
4. Step 4: Simplify right side
   89,444.71x = 6,067,814,333.12
5. Step 5: Solve for x
   x = 6,067,814,333.12/89,444.71
6. Step 6: Final answer
   x = 67,838.72