Finding the Fourth Proportional to 5,531.92, 8,300.56 and 2,758.99

Step by Step Solution

1. Step 1: Write the proportion equation
   5,531.92 : 8,300.56 = 2,758.99 : x
2. Step 2: Convert to fraction form
   5,531.92/8,300.56 = 2,758.99/x
3. Step 3: Cross multiply
   5,531.92x = 8,300.56 × 2,758.99
4. Step 4: Simplify right side
   5,531.92x = 22,901,162.03
5. Step 5: Solve for x
   x = 22,901,162.03/5,531.92
6. Step 6: Final answer
   x = 4,139.82