Finding the Fourth Proportional to 89,472.87, 123,470.10 and 49,186.71

Step by Step Solution

1. Step 1: Write the proportion equation
   89,472.87 : 123,470.10 = 49,186.71 : x
2. Step 2: Convert to fraction form
   89,472.87/123,470.10 = 49,186.71/x
3. Step 3: Cross multiply
   89,472.87x = 123,470.10 × 49,186.71
4. Step 4: Simplify right side
   89,472.87x = 6,073,088,002.37
5. Step 5: Solve for x
   x = 6,073,088,002.37/89,472.87
6. Step 6: Final answer
   x = 67,876.31