Finding the Fourth Proportional to 89,461.62, 123,454.53 and 49,175.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,461.62 : 123,454.53 = 49,175.46 : x
2. Step 2: Convert to fraction form
   89,461.62/123,454.53 = 49,175.46/x
3. Step 3: Cross multiply
   89,461.62x = 123,454.53 × 49,175.46
4. Step 4: Simplify right side
   89,461.62x = 6,070,933,301.83
5. Step 5: Solve for x
   x = 6,070,933,301.83/89,461.62
6. Step 6: Final answer
   x = 67,860.76