Finding the Fourth Proportional to 89,461.48, 123,456.12 and 49,174.82

Step by Step Solution

1. Step 1: Write the proportion equation
   89,461.48 : 123,456.12 = 49,174.82 : x
2. Step 2: Convert to fraction form
   89,461.48/123,456.12 = 49,174.82/x
3. Step 3: Cross multiply
   89,461.48x = 123,456.12 × 49,174.82
4. Step 4: Simplify right side
   89,461.48x = 6,070,931,861.62
5. Step 5: Solve for x
   x = 6,070,931,861.62/89,461.48
6. Step 6: Final answer
   x = 67,860.85