Finding the Fourth Proportional to 2,036.68, 2,810.56 and 1,152.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.68 : 2,810.56 = 1,152.40 : x
2. Step 2: Convert to fraction form
   2,036.68/2,810.56 = 1,152.40/x
3. Step 3: Cross multiply
   2,036.68x = 2,810.56 × 1,152.40
4. Step 4: Simplify right side
   2,036.68x = 3,238,889.34
5. Step 5: Solve for x
   x = 3,238,889.34/2,036.68
6. Step 6: Final answer
   x = 1,590.28