Finding the Fourth Proportional to 3,838.32, 5,762.16 and 2,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838.32 : 5,762.16 = 2,196.18 : x
2. Step 2: Convert to fraction form
   3,838.32/5,762.16 = 2,196.18/x
3. Step 3: Cross multiply
   3,838.32x = 5,762.16 × 2,196.18
4. Step 4: Simplify right side
   3,838.32x = 12,654,740.55
5. Step 5: Solve for x
   x = 12,654,740.55/3,838.32
6. Step 6: Final answer
   x = 3,296.95