Finding the Fourth Proportional to 3,933.47, 5,427.98 and 2,164.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933.47 : 5,427.98 = 2,164.73 : x
2. Step 2: Convert to fraction form
   3,933.47/5,427.98 = 2,164.73/x
3. Step 3: Cross multiply
   3,933.47x = 5,427.98 × 2,164.73
4. Step 4: Simplify right side
   3,933.47x = 11,750,111.15
5. Step 5: Solve for x
   x = 11,750,111.15/3,933.47
6. Step 6: Final answer
   x = 2,987.21