Finding the Fourth Proportional to 53,530.04, 80,231.27 and 21,938.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,530.04 : 80,231.27 = 21,938.82 : x
2. Step 2: Convert to fraction form
   53,530.04/80,231.27 = 21,938.82/x
3. Step 3: Cross multiply
   53,530.04x = 80,231.27 × 21,938.82
4. Step 4: Simplify right side
   53,530.04x = 1,760,179,281.21
5. Step 5: Solve for x
   x = 1,760,179,281.21/53,530.04
6. Step 6: Final answer
   x = 32,882.09