Finding the Fourth Proportional to 1,867.40, 2,801.04 and 1,838.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,867.40 : 2,801.04 = 1,838.03 : x
2. Step 2: Convert to fraction form
   1,867.40/2,801.04 = 1,838.03/x
3. Step 3: Cross multiply
   1,867.40x = 2,801.04 × 1,838.03
4. Step 4: Simplify right side
   1,867.40x = 5,148,395.55
5. Step 5: Solve for x
   x = 5,148,395.55/1,867.40
6. Step 6: Final answer
   x = 2,756.99