Finding the Fourth Proportional to 2,528.81, 3,787.43 and 2,233.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.81 : 3,787.43 = 2,233.17 : x
2. Step 2: Convert to fraction form
   2,528.81/3,787.43 = 2,233.17/x
3. Step 3: Cross multiply
   2,528.81x = 3,787.43 × 2,233.17
4. Step 4: Simplify right side
   2,528.81x = 8,457,963.89
5. Step 5: Solve for x
   x = 8,457,963.89/2,528.81
6. Step 6: Final answer
   x = 3,344.65