Finding the Fourth Proportional to 2,133.78, 2,943.57 and 1,838.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.78 : 2,943.57 = 1,838.53 : x
2. Step 2: Convert to fraction form
   2,133.78/2,943.57 = 1,838.53/x
3. Step 3: Cross multiply
   2,133.78x = 2,943.57 × 1,838.53
4. Step 4: Simplify right side
   2,133.78x = 5,411,852.33
5. Step 5: Solve for x
   x = 5,411,852.33/2,133.78
6. Step 6: Final answer
   x = 2,536.28