Finding the Fourth Proportional to 89,401.36, 123,373.74 and 49,116.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,401.36 : 123,373.74 = 49,116.16 : x
2. Step 2: Convert to fraction form
   89,401.36/123,373.74 = 49,116.16/x
3. Step 3: Cross multiply
   89,401.36x = 123,373.74 × 49,116.16
4. Step 4: Simplify right side
   89,401.36x = 6,059,644,353.64
5. Step 5: Solve for x
   x = 6,059,644,353.64/89,401.36
6. Step 6: Final answer
   x = 67,780.23