Finding the Fourth Proportional to 5,454.34, 8,174.91 and 2,488.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,454.34 : 8,174.91 = 2,488.72 : x
2. Step 2: Convert to fraction form
   5,454.34/8,174.91 = 2,488.72/x
3. Step 3: Cross multiply
   5,454.34x = 8,174.91 × 2,488.72
4. Step 4: Simplify right side
   5,454.34x = 20,345,062.02
5. Step 5: Solve for x
   x = 20,345,062.02/5,454.34
6. Step 6: Final answer
   x = 3,730.07