Finding the Fourth Proportional to 2,586.52, 3,569.34 and 1,407.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586.52 : 3,569.34 = 1,407.61 : x
2. Step 2: Convert to fraction form
   2,586.52/3,569.34 = 1,407.61/x
3. Step 3: Cross multiply
   2,586.52x = 3,569.34 × 1,407.61
4. Step 4: Simplify right side
   2,586.52x = 5,024,238.68
5. Step 5: Solve for x
   x = 5,024,238.68/2,586.52
6. Step 6: Final answer
   x = 1,942.47