Finding the Fourth Proportional to 1,816.18, 2,500.02 and 1,568.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816.18 : 2,500.02 = 1,568.32 : x
2. Step 2: Convert to fraction form
   1,816.18/2,500.02 = 1,568.32/x
3. Step 3: Cross multiply
   1,816.18x = 2,500.02 × 1,568.32
4. Step 4: Simplify right side
   1,816.18x = 3,920,831.37
5. Step 5: Solve for x
   x = 3,920,831.37/1,816.18
6. Step 6: Final answer
   x = 2,158.83