Finding the Fourth Proportional to 1,059.70, 1,462.06 and 617.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.70 : 1,462.06 = 617.52 : x
2. Step 2: Convert to fraction form
   1,059.70/1,462.06 = 617.52/x
3. Step 3: Cross multiply
   1,059.70x = 1,462.06 × 617.52
4. Step 4: Simplify right side
   1,059.70x = 902,851.29
5. Step 5: Solve for x
   x = 902,851.29/1,059.70
6. Step 6: Final answer
   x = 851.99