Finding the Fourth Proportional to 2,036.61, 2,810.53 and 1,152.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.61 : 2,810.53 = 1,152.40 : x
2. Step 2: Convert to fraction form
   2,036.61/2,810.53 = 1,152.40/x
3. Step 3: Cross multiply
   2,036.61x = 2,810.53 × 1,152.40
4. Step 4: Simplify right side
   2,036.61x = 3,238,834.96
5. Step 5: Solve for x
   x = 3,238,834.96/2,036.61
6. Step 6: Final answer
   x = 1,590.31