Finding the Fourth Proportional to 8,196.40, 12,290.28 and 3,574

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.40 : 12,290.28 = 3,574 : x
2. Step 2: Convert to fraction form
   8,196.40/12,290.28 = 3,574/x
3. Step 3: Cross multiply
   8,196.40x = 12,290.28 × 3,574
4. Step 4: Simplify right side
   8,196.40x = 43,925,460.72
5. Step 5: Solve for x
   x = 43,925,460.72/8,196.40
6. Step 6: Final answer
   x = 5,359.12