Finding the Fourth Proportional to 1,045.82, 1,443.27 and 580.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.82 : 1,443.27 = 580.07 : x
2. Step 2: Convert to fraction form
   1,045.82/1,443.27 = 580.07/x
3. Step 3: Cross multiply
   1,045.82x = 1,443.27 × 580.07
4. Step 4: Simplify right side
   1,045.82x = 837,197.63
5. Step 5: Solve for x
   x = 837,197.63/1,045.82
6. Step 6: Final answer
   x = 800.52