Finding the Fourth Proportional to 2,819.76, 4,230.72 and 1,088.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.76 : 4,230.72 = 1,088.52 : x
2. Step 2: Convert to fraction form
   2,819.76/4,230.72 = 1,088.52/x
3. Step 3: Cross multiply
   2,819.76x = 4,230.72 × 1,088.52
4. Step 4: Simplify right side
   2,819.76x = 4,605,223.33
5. Step 5: Solve for x
   x = 4,605,223.33/2,819.76
6. Step 6: Final answer
   x = 1,633.20