Finding the Fourth Proportional to 2,780.58, 3,832.46 and 2,545.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780.58 : 3,832.46 = 2,545.18 : x
2. Step 2: Convert to fraction form
   2,780.58/3,832.46 = 2,545.18/x
3. Step 3: Cross multiply
   2,780.58x = 3,832.46 × 2,545.18
4. Step 4: Simplify right side
   2,780.58x = 9,754,300.54
5. Step 5: Solve for x
   x = 9,754,300.54/2,780.58
6. Step 6: Final answer
   x = 3,508.01