Finding the Fourth Proportional to 89,178.83, 123,066.74 and 48,891.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,178.83 : 123,066.74 = 48,891.72 : x
2. Step 2: Convert to fraction form
   89,178.83/123,066.74 = 48,891.72/x
3. Step 3: Cross multiply
   89,178.83x = 123,066.74 × 48,891.72
4. Step 4: Simplify right side
   89,178.83x = 6,016,944,348.93
5. Step 5: Solve for x
   x = 6,016,944,348.93/89,178.83
6. Step 6: Final answer
   x = 67,470.55