Finding the Fourth Proportional to 21,404, 29,537.52 and 13,952

Step by Step Solution

1. Step 1: Write the proportion equation
   21,404 : 29,537.52 = 13,952 : x
2. Step 2: Convert to fraction form
   21,404/29,537.52 = 13,952/x
3. Step 3: Cross multiply
   21,404x = 29,537.52 × 13,952
4. Step 4: Simplify right side
   21,404x = 412,107,479.04
5. Step 5: Solve for x
   x = 412,107,479.04/21,404
6. Step 6: Final answer
   x = 19,253.76