Finding the Fourth Proportional to 3,821.31, 5,272.56 and 2,423.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,821.31 : 5,272.56 = 2,423.25 : x
2. Step 2: Convert to fraction form
   3,821.31/5,272.56 = 2,423.25/x
3. Step 3: Cross multiply
   3,821.31x = 5,272.56 × 2,423.25
4. Step 4: Simplify right side
   3,821.31x = 12,776,731.02
5. Step 5: Solve for x
   x = 12,776,731.02/3,821.31
6. Step 6: Final answer
   x = 3,343.55