Finding the Fourth Proportional to 5,435.52, 8,152.56 and 1,540.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,435.52 : 8,152.56 = 1,540.20 : x
2. Step 2: Convert to fraction form
   5,435.52/8,152.56 = 1,540.20/x
3. Step 3: Cross multiply
   5,435.52x = 8,152.56 × 1,540.20
4. Step 4: Simplify right side
   5,435.52x = 12,556,572.91
5. Step 5: Solve for x
   x = 12,556,572.91/5,435.52
6. Step 6: Final answer
   x = 2,310.10