Finding the Fourth Proportional to 55,160.27, 82,667.69 and 21,862.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,160.27 : 82,667.69 = 21,862.18 : x
2. Step 2: Convert to fraction form
   55,160.27/82,667.69 = 21,862.18/x
3. Step 3: Cross multiply
   55,160.27x = 82,667.69 × 21,862.18
4. Step 4: Simplify right side
   55,160.27x = 1,807,295,994.97
5. Step 5: Solve for x
   x = 1,807,295,994.97/55,160.27
6. Step 6: Final answer
   x = 32,764.45