Finding the Fourth Proportional to 1,782.30, 2,672.49 and 549.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.30 : 2,672.49 = 549.48 : x
2. Step 2: Convert to fraction form
   1,782.30/2,672.49 = 549.48/x
3. Step 3: Cross multiply
   1,782.30x = 2,672.49 × 549.48
4. Step 4: Simplify right side
   1,782.30x = 1,468,491.89
5. Step 5: Solve for x
   x = 1,468,491.89/1,782.30
6. Step 6: Final answer
   x = 823.93