Finding the Fourth Proportional to 1,054.24, 1,454.88 and 588.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054.24 : 1,454.88 = 588.52 : x
2. Step 2: Convert to fraction form
   1,054.24/1,454.88 = 588.52/x
3. Step 3: Cross multiply
   1,054.24x = 1,454.88 × 588.52
4. Step 4: Simplify right side
   1,054.24x = 856,225.98
5. Step 5: Solve for x
   x = 856,225.98/1,054.24
6. Step 6: Final answer
   x = 812.17