Finding the Fourth Proportional to 21,381.52, 32,072.82 and 10,134.22

Step by Step Solution

1. Step 1: Write the proportion equation
   21,381.52 : 32,072.82 = 10,134.22 : x
2. Step 2: Convert to fraction form
   21,381.52/32,072.82 = 10,134.22/x
3. Step 3: Cross multiply
   21,381.52x = 32,072.82 × 10,134.22
4. Step 4: Simplify right side
   21,381.52x = 325,033,013.90
5. Step 5: Solve for x
   x = 325,033,013.90/21,381.52
6. Step 6: Final answer
   x = 15,201.59