Finding the Fourth Proportional to 1,047.29, 1,445.37 and 581.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.29 : 1,445.37 = 581.54 : x
2. Step 2: Convert to fraction form
   1,047.29/1,445.37 = 581.54/x
3. Step 3: Cross multiply
   1,047.29x = 1,445.37 × 581.54
4. Step 4: Simplify right side
   1,047.29x = 840,540.47
5. Step 5: Solve for x
   x = 840,540.47/1,047.29
6. Step 6: Final answer
   x = 802.59