Finding the Fourth Proportional to 5,139.52, 7,710.24 and 1,676.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139.52 : 7,710.24 = 1,676.32 : x
2. Step 2: Convert to fraction form
   5,139.52/7,710.24 = 1,676.32/x
3. Step 3: Cross multiply
   5,139.52x = 7,710.24 × 1,676.32
4. Step 4: Simplify right side
   5,139.52x = 12,924,829.52
5. Step 5: Solve for x
   x = 12,924,829.52/5,139.52
6. Step 6: Final answer
   x = 2,514.79