Finding the Fourth Proportional to 2,037.40, 2,810.89 and 1,153.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.40 : 2,810.89 = 1,153.01 : x
2. Step 2: Convert to fraction form
   2,037.40/2,810.89 = 1,153.01/x
3. Step 3: Cross multiply
   2,037.40x = 2,810.89 × 1,153.01
4. Step 4: Simplify right side
   2,037.40x = 3,240,984.28
5. Step 5: Solve for x
   x = 3,240,984.28/2,037.40
6. Step 6: Final answer
   x = 1,590.75