Finding the Fourth Proportional to 1,059.98, 1,462.17 and 617.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.98 : 1,462.17 = 617.83 : x
2. Step 2: Convert to fraction form
   1,059.98/1,462.17 = 617.83/x
3. Step 3: Cross multiply
   1,059.98x = 1,462.17 × 617.83
4. Step 4: Simplify right side
   1,059.98x = 903,372.49
5. Step 5: Solve for x
   x = 903,372.49/1,059.98
6. Step 6: Final answer
   x = 852.25