Finding the Fourth Proportional to 1,872.30, 2,581.92 and 1,164.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.30 : 2,581.92 = 1,164.24 : x
2. Step 2: Convert to fraction form
   1,872.30/2,581.92 = 1,164.24/x
3. Step 3: Cross multiply
   1,872.30x = 2,581.92 × 1,164.24
4. Step 4: Simplify right side
   1,872.30x = 3,005,974.54
5. Step 5: Solve for x
   x = 3,005,974.54/1,872.30
6. Step 6: Final answer
   x = 1,605.50