Finding the Fourth Proportional to 1,872.48, 2,805.52 and 1,323.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872.48 : 2,805.52 = 1,323.60 : x
2. Step 2: Convert to fraction form
   1,872.48/2,805.52 = 1,323.60/x
3. Step 3: Cross multiply
   1,872.48x = 2,805.52 × 1,323.60
4. Step 4: Simplify right side
   1,872.48x = 3,713,386.27
5. Step 5: Solve for x
   x = 3,713,386.27/1,872.48
6. Step 6: Final answer
   x = 1,983.14