Finding the Fourth Proportional to 89,466.90, 123,453.72 and 49,174.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,466.90 : 123,453.72 = 49,174.08 : x
2. Step 2: Convert to fraction form
   89,466.90/123,453.72 = 49,174.08/x
3. Step 3: Cross multiply
   89,466.90x = 123,453.72 × 49,174.08
4. Step 4: Simplify right side
   89,466.90x = 6,070,723,103.58
5. Step 5: Solve for x
   x = 6,070,723,103.58/89,466.90
6. Step 6: Final answer
   x = 67,854.40