Finding the Fourth Proportional to 1,053.93, 1,454.49 and 581.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.93 : 1,454.49 = 581.86 : x
2. Step 2: Convert to fraction form
   1,053.93/1,454.49 = 581.86/x
3. Step 3: Cross multiply
   1,053.93x = 1,454.49 × 581.86
4. Step 4: Simplify right side
   1,053.93x = 846,309.55
5. Step 5: Solve for x
   x = 846,309.55/1,053.93
6. Step 6: Final answer
   x = 803.00