Finding the Fourth Proportional to 2,186.09, 3,280.50 and 1,571.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.09 : 3,280.50 = 1,571.00 : x
2. Step 2: Convert to fraction form
   2,186.09/3,280.50 = 1,571.00/x
3. Step 3: Cross multiply
   2,186.09x = 3,280.50 × 1,571.00
4. Step 4: Simplify right side
   2,186.09x = 5,153,649.10
5. Step 5: Solve for x
   x = 5,153,649.10/2,186.09
6. Step 6: Final answer
   x = 2,357.47