Finding the Fourth Proportional to 1,047.27, 1,445.22 and 581.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.27 : 1,445.22 = 581.52 : x
2. Step 2: Convert to fraction form
   1,047.27/1,445.22 = 581.52/x
3. Step 3: Cross multiply
   1,047.27x = 1,445.22 × 581.52
4. Step 4: Simplify right side
   1,047.27x = 840,424.33
5. Step 5: Solve for x
   x = 840,424.33/1,047.27
6. Step 6: Final answer
   x = 802.49