Finding the Fourth Proportional to 1,076.06, 1,484.76 and 610.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.06 : 1,484.76 = 610.30 : x
2. Step 2: Convert to fraction form
   1,076.06/1,484.76 = 610.30/x
3. Step 3: Cross multiply
   1,076.06x = 1,484.76 × 610.30
4. Step 4: Simplify right side
   1,076.06x = 906,149.03
5. Step 5: Solve for x
   x = 906,149.03/1,076.06
6. Step 6: Final answer
   x = 842.10