Finding the Fourth Proportional to 1,459.30, 2,014.50 and 861.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,459.30 : 2,014.50 = 861.59 : x
2. Step 2: Convert to fraction form
   1,459.30/2,014.50 = 861.59/x
3. Step 3: Cross multiply
   1,459.30x = 2,014.50 × 861.59
4. Step 4: Simplify right side
   1,459.30x = 1,735,673.06
5. Step 5: Solve for x
   x = 1,735,673.06/1,459.30
6. Step 6: Final answer
   x = 1,189.39