Finding the Fourth Proportional to 2,586.03, 3,568.78 and 1,407.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586.03 : 3,568.78 = 1,407.10 : x
2. Step 2: Convert to fraction form
   2,586.03/3,568.78 = 1,407.10/x
3. Step 3: Cross multiply
   2,586.03x = 3,568.78 × 1,407.10
4. Step 4: Simplify right side
   2,586.03x = 5,021,623.79
5. Step 5: Solve for x
   x = 5,021,623.79/2,586.03
6. Step 6: Final answer
   x = 1,941.83