Finding the Fourth Proportional to 1,548.34, 2,321.96 and 817.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.34 : 2,321.96 = 817.52 : x
2. Step 2: Convert to fraction form
   1,548.34/2,321.96 = 817.52/x
3. Step 3: Cross multiply
   1,548.34x = 2,321.96 × 817.52
4. Step 4: Simplify right side
   1,548.34x = 1,898,233.04
5. Step 5: Solve for x
   x = 1,898,233.04/1,548.34
6. Step 6: Final answer
   x = 1,225.98