Finding the Fourth Proportional to 3,897.30, 5,372.68 and 2,404.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897.30 : 5,372.68 = 2,404.22 : x
2. Step 2: Convert to fraction form
   3,897.30/5,372.68 = 2,404.22/x
3. Step 3: Cross multiply
   3,897.30x = 5,372.68 × 2,404.22
4. Step 4: Simplify right side
   3,897.30x = 12,917,104.71
5. Step 5: Solve for x
   x = 12,917,104.71/3,897.30
6. Step 6: Final answer
   x = 3,314.37