Finding the Fourth Proportional to 2,539.96, 3,505.38 and 1,545.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,539.96 : 3,505.38 = 1,545.48 : x
2. Step 2: Convert to fraction form
   2,539.96/3,505.38 = 1,545.48/x
3. Step 3: Cross multiply
   2,539.96x = 3,505.38 × 1,545.48
4. Step 4: Simplify right side
   2,539.96x = 5,417,488.89
5. Step 5: Solve for x
   x = 5,417,488.89/2,539.96
6. Step 6: Final answer
   x = 2,132.91