Finding the Fourth Proportional to 89,401.92, 123,374.70 and 49,118.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,401.92 : 123,374.70 = 49,118.28 : x
2. Step 2: Convert to fraction form
   89,401.92/123,374.70 = 49,118.28/x
3. Step 3: Cross multiply
   89,401.92x = 123,374.70 × 49,118.28
4. Step 4: Simplify right side
   89,401.92x = 6,059,953,059.52
5. Step 5: Solve for x
   x = 6,059,953,059.52/89,401.92
6. Step 6: Final answer
   x = 67,783.25