Finding the Fourth Proportional to 89,458.80, 123,453.86 and 49,173.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,458.80 : 123,453.86 = 49,173.24 : x
2. Step 2: Convert to fraction form
   89,458.80/123,453.86 = 49,173.24/x
3. Step 3: Cross multiply
   89,458.80x = 123,453.86 × 49,173.24
4. Step 4: Simplify right side
   89,458.80x = 6,070,626,503.79
5. Step 5: Solve for x
   x = 6,070,626,503.79/89,458.80
6. Step 6: Final answer
   x = 67,859.47