Finding the Fourth Proportional to 1,062.06, 1,594.17 and 485.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.06 : 1,594.17 = 485.34 : x
2. Step 2: Convert to fraction form
   1,062.06/1,594.17 = 485.34/x
3. Step 3: Cross multiply
   1,062.06x = 1,594.17 × 485.34
4. Step 4: Simplify right side
   1,062.06x = 773,714.47
5. Step 5: Solve for x
   x = 773,714.47/1,062.06
6. Step 6: Final answer
   x = 728.50