Finding the Fourth Proportional to 1,054.26, 1,454.89 and 588.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054.26 : 1,454.89 = 588.52 : x
2. Step 2: Convert to fraction form
   1,054.26/1,454.89 = 588.52/x
3. Step 3: Cross multiply
   1,054.26x = 1,454.89 × 588.52
4. Step 4: Simplify right side
   1,054.26x = 856,231.86
5. Step 5: Solve for x
   x = 856,231.86/1,054.26
6. Step 6: Final answer
   x = 812.16