Finding the Fourth Proportional to 2,625.86, 3,915.56 and 2,447.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625.86 : 3,915.56 = 2,447.12 : x
2. Step 2: Convert to fraction form
   2,625.86/3,915.56 = 2,447.12/x
3. Step 3: Cross multiply
   2,625.86x = 3,915.56 × 2,447.12
4. Step 4: Simplify right side
   2,625.86x = 9,581,822.55
5. Step 5: Solve for x
   x = 9,581,822.55/2,625.86
6. Step 6: Final answer
   x = 3,649.03