Finding the Fourth Proportional to 1,820.28, 2,726.82 and 1,586.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.28 : 2,726.82 = 1,586.46 : x
2. Step 2: Convert to fraction form
   1,820.28/2,726.82 = 1,586.46/x
3. Step 3: Cross multiply
   1,820.28x = 2,726.82 × 1,586.46
4. Step 4: Simplify right side
   1,820.28x = 4,325,990.86
5. Step 5: Solve for x
   x = 4,325,990.86/1,820.28
6. Step 6: Final answer
   x = 2,376.55