Finding the Fourth Proportional to 2,036.88, 2,810.94 and 1,152.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.88 : 2,810.94 = 1,152.78 : x
2. Step 2: Convert to fraction form
   2,036.88/2,810.94 = 1,152.78/x
3. Step 3: Cross multiply
   2,036.88x = 2,810.94 × 1,152.78
4. Step 4: Simplify right side
   2,036.88x = 3,240,395.41
5. Step 5: Solve for x
   x = 3,240,395.41/2,036.88
6. Step 6: Final answer
   x = 1,590.86