Finding the Fourth Proportional to 3,822.32, 5,274.61 and 2,250.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,822.32 : 5,274.61 = 2,250.31 : x
2. Step 2: Convert to fraction form
   3,822.32/5,274.61 = 2,250.31/x
3. Step 3: Cross multiply
   3,822.32x = 5,274.61 × 2,250.31
4. Step 4: Simplify right side
   3,822.32x = 11,869,507.63
5. Step 5: Solve for x
   x = 11,869,507.63/3,822.32
6. Step 6: Final answer
   x = 3,105.31