Finding the Fourth Proportional to 2,103.40, 2,899.32 and 1,853.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.40 : 2,899.32 = 1,853.12 : x
2. Step 2: Convert to fraction form
   2,103.40/2,899.32 = 1,853.12/x
3. Step 3: Cross multiply
   2,103.40x = 2,899.32 × 1,853.12
4. Step 4: Simplify right side
   2,103.40x = 5,372,787.88
5. Step 5: Solve for x
   x = 5,372,787.88/2,103.40
6. Step 6: Final answer
   x = 2,554.33