Finding the Fourth Proportional to 55,132.25, 82,725.71 and 21,851.57

Step by Step Solution

1. Step 1: Write the proportion equation
   55,132.25 : 82,725.71 = 21,851.57 : x
2. Step 2: Convert to fraction form
   55,132.25/82,725.71 = 21,851.57/x
3. Step 3: Cross multiply
   55,132.25x = 82,725.71 × 21,851.57
4. Step 4: Simplify right side
   55,132.25x = 1,807,686,740.42
5. Step 5: Solve for x
   x = 1,807,686,740.42/55,132.25
6. Step 6: Final answer
   x = 32,788.19