Finding the Fourth Proportional to 2,411.76, 3,618.77 and 1,025.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.76 : 3,618.77 = 1,025.43 : x
2. Step 2: Convert to fraction form
   2,411.76/3,618.77 = 1,025.43/x
3. Step 3: Cross multiply
   2,411.76x = 3,618.77 × 1,025.43
4. Step 4: Simplify right side
   2,411.76x = 3,710,795.32
5. Step 5: Solve for x
   x = 3,710,795.32/2,411.76
6. Step 6: Final answer
   x = 1,538.63