Finding the Fourth Proportional to 5,414.01, 8,121.33 and 1,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,414.01 : 8,121.33 = 1,518.72 : x
2. Step 2: Convert to fraction form
   5,414.01/8,121.33 = 1,518.72/x
3. Step 3: Cross multiply
   5,414.01x = 8,121.33 × 1,518.72
4. Step 4: Simplify right side
   5,414.01x = 12,333,978.10
5. Step 5: Solve for x
   x = 12,333,978.10/5,414.01
6. Step 6: Final answer
   x = 2,278.16