Finding the Fourth Proportional to 2,036.18, 2,809.86 and 1,152.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.18 : 2,809.86 = 1,152.20 : x
2. Step 2: Convert to fraction form
   2,036.18/2,809.86 = 1,152.20/x
3. Step 3: Cross multiply
   2,036.18x = 2,809.86 × 1,152.20
4. Step 4: Simplify right side
   2,036.18x = 3,237,520.69
5. Step 5: Solve for x
   x = 3,237,520.69/2,036.18
6. Step 6: Final answer
   x = 1,590.00