Finding the Fourth Proportional to 3,753.47, 5,176.46 and 2,425.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.47 : 5,176.46 = 2,425.78 : x
2. Step 2: Convert to fraction form
   3,753.47/5,176.46 = 2,425.78/x
3. Step 3: Cross multiply
   3,753.47x = 5,176.46 × 2,425.78
4. Step 4: Simplify right side
   3,753.47x = 12,556,952.03
5. Step 5: Solve for x
   x = 12,556,952.03/3,753.47
6. Step 6: Final answer
   x = 3,345.42