Finding the Fourth Proportional to 3,932.82, 5,427.54 and 2,164.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.82 : 5,427.54 = 2,164.54 : x
2. Step 2: Convert to fraction form
   3,932.82/5,427.54 = 2,164.54/x
3. Step 3: Cross multiply
   3,932.82x = 5,427.54 × 2,164.54
4. Step 4: Simplify right side
   3,932.82x = 11,748,127.43
5. Step 5: Solve for x
   x = 11,748,127.43/3,932.82
6. Step 6: Final answer
   x = 2,987.20