Finding the Fourth Proportional to 3,932.52, 5,426.82 and 2,164.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.52 : 5,426.82 = 2,164.08 : x
2. Step 2: Convert to fraction form
   3,932.52/5,426.82 = 2,164.08/x
3. Step 3: Cross multiply
   3,932.52x = 5,426.82 × 2,164.08
4. Step 4: Simplify right side
   3,932.52x = 11,744,072.63
5. Step 5: Solve for x
   x = 11,744,072.63/3,932.52
6. Step 6: Final answer
   x = 2,986.40