Finding the Fourth Proportional to 2,043.13, 2,819.88 and 1,158.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.13 : 2,819.88 = 1,158.76 : x
2. Step 2: Convert to fraction form
   2,043.13/2,819.88 = 1,158.76/x
3. Step 3: Cross multiply
   2,043.13x = 2,819.88 × 1,158.76
4. Step 4: Simplify right side
   2,043.13x = 3,267,564.15
5. Step 5: Solve for x
   x = 3,267,564.15/2,043.13
6. Step 6: Final answer
   x = 1,599.29