Finding the Fourth Proportional to 3,836.91, 5,294.88 and 2,158.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,836.91 : 5,294.88 = 2,158.29 : x
2. Step 2: Convert to fraction form
   3,836.91/5,294.88 = 2,158.29/x
3. Step 3: Cross multiply
   3,836.91x = 5,294.88 × 2,158.29
4. Step 4: Simplify right side
   3,836.91x = 11,427,886.56
5. Step 5: Solve for x
   x = 11,427,886.56/3,836.91
6. Step 6: Final answer
   x = 2,978.41