Finding the Fourth Proportional to 3,675.12, 5,498.91 and 2,188.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.12 : 5,498.91 = 2,188.91 : x
2. Step 2: Convert to fraction form
   3,675.12/5,498.91 = 2,188.91/x
3. Step 3: Cross multiply
   3,675.12x = 5,498.91 × 2,188.91
4. Step 4: Simplify right side
   3,675.12x = 12,036,591.59
5. Step 5: Solve for x
   x = 12,036,591.59/3,675.12
6. Step 6: Final answer
   x = 3,275.16