Finding the Fourth Proportional to 1,810.20, 2,496.67 and 1,558.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.20 : 2,496.67 = 1,558.52 : x
2. Step 2: Convert to fraction form
   1,810.20/2,496.67 = 1,558.52/x
3. Step 3: Cross multiply
   1,810.20x = 2,496.67 × 1,558.52
4. Step 4: Simplify right side
   1,810.20x = 3,891,104.86
5. Step 5: Solve for x
   x = 3,891,104.86/1,810.20
6. Step 6: Final answer
   x = 2,149.55