Finding the Fourth Proportional to 5,057.52, 7,589.72 and 3,103.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,057.52 : 7,589.72 = 3,103.76 : x
2. Step 2: Convert to fraction form
   5,057.52/7,589.72 = 3,103.76/x
3. Step 3: Cross multiply
   5,057.52x = 7,589.72 × 3,103.76
4. Step 4: Simplify right side
   5,057.52x = 23,556,669.35
5. Step 5: Solve for x
   x = 23,556,669.35/5,057.52
6. Step 6: Final answer
   x = 4,657.75