Finding the Fourth Proportional to 1,548.96, 2,322.76 and 727.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.96 : 2,322.76 = 727.47 : x
2. Step 2: Convert to fraction form
   1,548.96/2,322.76 = 727.47/x
3. Step 3: Cross multiply
   1,548.96x = 2,322.76 × 727.47
4. Step 4: Simplify right side
   1,548.96x = 1,689,738.22
5. Step 5: Solve for x
   x = 1,689,738.22/1,548.96
6. Step 6: Final answer
   x = 1,090.89