Finding the Fourth Proportional to 1,053.67, 1,454.03 and 581.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.67 : 1,454.03 = 581.59 : x
2. Step 2: Convert to fraction form
   1,053.67/1,454.03 = 581.59/x
3. Step 3: Cross multiply
   1,053.67x = 1,454.03 × 581.59
4. Step 4: Simplify right side
   1,053.67x = 845,649.31
5. Step 5: Solve for x
   x = 845,649.31/1,053.67
6. Step 6: Final answer
   x = 802.58