Finding the Fourth Proportional to 2,545.59, 3,819.60 and 1,159.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.59 : 3,819.60 = 1,159.35 : x
2. Step 2: Convert to fraction form
   2,545.59/3,819.60 = 1,159.35/x
3. Step 3: Cross multiply
   2,545.59x = 3,819.60 × 1,159.35
4. Step 4: Simplify right side
   2,545.59x = 4,428,253.26
5. Step 5: Solve for x
   x = 4,428,253.26/2,545.59
6. Step 6: Final answer
   x = 1,739.58