Finding the Fourth Proportional to 89,391.50, 123,354.18 and 49,106.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,391.50 : 123,354.18 = 49,106.96 : x
2. Step 2: Convert to fraction form
   89,391.50/123,354.18 = 49,106.96/x
3. Step 3: Cross multiply
   89,391.50x = 123,354.18 × 49,106.96
4. Step 4: Simplify right side
   89,391.50x = 6,057,548,783.09
5. Step 5: Solve for x
   x = 6,057,548,783.09/89,391.50
6. Step 6: Final answer
   x = 67,764.26