Finding the Fourth Proportional to 2,539.10, 3,808.18 and 1,152.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,539.10 : 3,808.18 = 1,152.10 : x
2. Step 2: Convert to fraction form
   2,539.10/3,808.18 = 1,152.10/x
3. Step 3: Cross multiply
   2,539.10x = 3,808.18 × 1,152.10
4. Step 4: Simplify right side
   2,539.10x = 4,387,403.46
5. Step 5: Solve for x
   x = 4,387,403.46/2,539.10
6. Step 6: Final answer
   x = 1,727.94