Finding the Fourth Proportional to 89,719.25, 123,814.17 and 49,432.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,719.25 : 123,814.17 = 49,432.76 : x
2. Step 2: Convert to fraction form
   89,719.25/123,814.17 = 49,432.76/x
3. Step 3: Cross multiply
   89,719.25x = 123,814.17 × 49,432.76
4. Step 4: Simplify right side
   89,719.25x = 6,120,475,531.14
5. Step 5: Solve for x
   x = 6,120,475,531.14/89,719.25
6. Step 6: Final answer
   x = 68,218.08