Finding the Fourth Proportional to 1,820.18, 2,730.61 and 587.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.18 : 2,730.61 = 587.25 : x
2. Step 2: Convert to fraction form
   1,820.18/2,730.61 = 587.25/x
3. Step 3: Cross multiply
   1,820.18x = 2,730.61 × 587.25
4. Step 4: Simplify right side
   1,820.18x = 1,603,550.72
5. Step 5: Solve for x
   x = 1,603,550.72/1,820.18
6. Step 6: Final answer
   x = 880.98