Finding the Fourth Proportional to 2,411.68, 3,618.04 and 1,026.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.68 : 3,618.04 = 1,026.20 : x
2. Step 2: Convert to fraction form
   2,411.68/3,618.04 = 1,026.20/x
3. Step 3: Cross multiply
   2,411.68x = 3,618.04 × 1,026.20
4. Step 4: Simplify right side
   2,411.68x = 3,712,814.56
5. Step 5: Solve for x
   x = 3,712,814.56/2,411.68
6. Step 6: Final answer
   x = 1,539.52