Finding the Fourth Proportional to 3,897.10, 5,375.17 and 2,404.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897.10 : 5,375.17 = 2,404.47 : x
2. Step 2: Convert to fraction form
   3,897.10/5,375.17 = 2,404.47/x
3. Step 3: Cross multiply
   3,897.10x = 5,375.17 × 2,404.47
4. Step 4: Simplify right side
   3,897.10x = 12,924,435.01
5. Step 5: Solve for x
   x = 12,924,435.01/3,897.10
6. Step 6: Final answer
   x = 3,316.42