Finding the Fourth Proportional to 3,814.31, 5,262.28 and 2,397.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,814.31 : 5,262.28 = 2,397.42 : x
2. Step 2: Convert to fraction form
   3,814.31/5,262.28 = 2,397.42/x
3. Step 3: Cross multiply
   3,814.31x = 5,262.28 × 2,397.42
4. Step 4: Simplify right side
   3,814.31x = 12,615,889.32
5. Step 5: Solve for x
   x = 12,615,889.32/3,814.31
6. Step 6: Final answer
   x = 3,307.51