Finding the Fourth Proportional to 3,915.56, 5,403.69 and 2,322.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.56 : 5,403.69 = 2,322.32 : x
2. Step 2: Convert to fraction form
   3,915.56/5,403.69 = 2,322.32/x
3. Step 3: Cross multiply
   3,915.56x = 5,403.69 × 2,322.32
4. Step 4: Simplify right side
   3,915.56x = 12,549,070.34
5. Step 5: Solve for x
   x = 12,549,070.34/3,915.56
6. Step 6: Final answer
   x = 3,204.92