Finding the Fourth Proportional to 3,834.59, 5,291.52 and 2,156.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,834.59 : 5,291.52 = 2,156.06 : x
2. Step 2: Convert to fraction form
   3,834.59/5,291.52 = 2,156.06/x
3. Step 3: Cross multiply
   3,834.59x = 5,291.52 × 2,156.06
4. Step 4: Simplify right side
   3,834.59x = 11,408,808.15
5. Step 5: Solve for x
   x = 11,408,808.15/3,834.59
6. Step 6: Final answer
   x = 2,975.24