Finding the Fourth Proportional to 89,402.76, 123,377.99 and 49,119.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,402.76 : 123,377.99 = 49,119.12 : x
2. Step 2: Convert to fraction form
   89,402.76/123,377.99 = 49,119.12/x
3. Step 3: Cross multiply
   89,402.76x = 123,377.99 × 49,119.12
4. Step 4: Simplify right side
   89,402.76x = 6,060,218,050.57
5. Step 5: Solve for x
   x = 6,060,218,050.57/89,402.76
6. Step 6: Final answer
   x = 67,785.58