Finding the Fourth Proportional to 1,459.06, 2,013.54 and 861.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,459.06 : 2,013.54 = 861.94 : x
2. Step 2: Convert to fraction form
   1,459.06/2,013.54 = 861.94/x
3. Step 3: Cross multiply
   1,459.06x = 2,013.54 × 861.94
4. Step 4: Simplify right side
   1,459.06x = 1,735,550.67
5. Step 5: Solve for x
   x = 1,735,550.67/1,459.06
6. Step 6: Final answer
   x = 1,189.50