Finding the Fourth Proportional to 2,463.31, 3,695.52 and 820.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,463.31 : 3,695.52 = 820.02 : x
2. Step 2: Convert to fraction form
   2,463.31/3,695.52 = 820.02/x
3. Step 3: Cross multiply
   2,463.31x = 3,695.52 × 820.02
4. Step 4: Simplify right side
   2,463.31x = 3,030,417.24
5. Step 5: Solve for x
   x = 3,030,417.24/2,463.31
6. Step 6: Final answer
   x = 1,230.22