Finding the Fourth Proportional to 1,060.28, 1,462.83 and 617.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,060.28 : 1,462.83 = 617.83 : x
2. Step 2: Convert to fraction form
   1,060.28/1,462.83 = 617.83/x
3. Step 3: Cross multiply
   1,060.28x = 1,462.83 × 617.83
4. Step 4: Simplify right side
   1,060.28x = 903,780.26
5. Step 5: Solve for x
   x = 903,780.26/1,060.28
6. Step 6: Final answer
   x = 852.40