Finding the Fourth Proportional to 1,059.96, 1,462.24 and 617.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.96 : 1,462.24 = 617.59 : x
2. Step 2: Convert to fraction form
   1,059.96/1,462.24 = 617.59/x
3. Step 3: Cross multiply
   1,059.96x = 1,462.24 × 617.59
4. Step 4: Simplify right side
   1,059.96x = 903,064.80
5. Step 5: Solve for x
   x = 903,064.80/1,059.96
6. Step 6: Final answer
   x = 851.98