Finding the Fourth Proportional to 1,014.51, 1,399.82 and 610.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014.51 : 1,399.82 = 610.67 : x
2. Step 2: Convert to fraction form
   1,014.51/1,399.82 = 610.67/x
3. Step 3: Cross multiply
   1,014.51x = 1,399.82 × 610.67
4. Step 4: Simplify right side
   1,014.51x = 854,818.03
5. Step 5: Solve for x
   x = 854,818.03/1,014.51
6. Step 6: Final answer
   x = 842.59