Finding the Fourth Proportional to 1,052.49, 1,451.85 and 610.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,052.49 : 1,451.85 = 610.31 : x
2. Step 2: Convert to fraction form
   1,052.49/1,451.85 = 610.31/x
3. Step 3: Cross multiply
   1,052.49x = 1,451.85 × 610.31
4. Step 4: Simplify right side
   1,052.49x = 886,077.55
5. Step 5: Solve for x
   x = 886,077.55/1,052.49
6. Step 6: Final answer
   x = 841.88