Finding the Fourth Proportional to 1,059.73, 1,462.43 and 617.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.73 : 1,462.43 = 617.67 : x
2. Step 2: Convert to fraction form
   1,059.73/1,462.43 = 617.67/x
3. Step 3: Cross multiply
   1,059.73x = 1,462.43 × 617.67
4. Step 4: Simplify right side
   1,059.73x = 903,300.68
5. Step 5: Solve for x
   x = 903,300.68/1,059.73
6. Step 6: Final answer
   x = 852.39