Finding the Fourth Proportional to 2,036.95, 2,810.90 and 1,152.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.95 : 2,810.90 = 1,152.80 : x
2. Step 2: Convert to fraction form
   2,036.95/2,810.90 = 1,152.80/x
3. Step 3: Cross multiply
   2,036.95x = 2,810.90 × 1,152.80
4. Step 4: Simplify right side
   2,036.95x = 3,240,404.89
5. Step 5: Solve for x
   x = 3,240,404.89/2,036.95
6. Step 6: Final answer
   x = 1,590.81