Finding the Fourth Proportional to 2,069.16, 2,853.86 and 1,371.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.16 : 2,853.86 = 1,371.88 : x
2. Step 2: Convert to fraction form
   2,069.16/2,853.86 = 1,371.88/x
3. Step 3: Cross multiply
   2,069.16x = 2,853.86 × 1,371.88
4. Step 4: Simplify right side
   2,069.16x = 3,915,153.46
5. Step 5: Solve for x
   x = 3,915,153.46/2,069.16
6. Step 6: Final answer
   x = 1,892.15