Finding the Fourth Proportional to 1,810.24, 2,499.40 and 1,598.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.24 : 2,499.40 = 1,598.80 : x
2. Step 2: Convert to fraction form
   1,810.24/2,499.40 = 1,598.80/x
3. Step 3: Cross multiply
   1,810.24x = 2,499.40 × 1,598.80
4. Step 4: Simplify right side
   1,810.24x = 3,996,040.72
5. Step 5: Solve for x
   x = 3,996,040.72/1,810.24
6. Step 6: Final answer
   x = 2,207.46