Finding the Fourth Proportional to 3,014.82, 4,521.76 and 823.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,014.82 : 4,521.76 = 823.72 : x
2. Step 2: Convert to fraction form
   3,014.82/4,521.76 = 823.72/x
3. Step 3: Cross multiply
   3,014.82x = 4,521.76 × 823.72
4. Step 4: Simplify right side
   3,014.82x = 3,724,664.15
5. Step 5: Solve for x
   x = 3,724,664.15/3,014.82
6. Step 6: Final answer
   x = 1,235.45