Finding the Fourth Proportional to 15,469.88, 21,353.96 and 9,182.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,469.88 : 21,353.96 = 9,182.25 : x
2. Step 2: Convert to fraction form
   15,469.88/21,353.96 = 9,182.25/x
3. Step 3: Cross multiply
   15,469.88x = 21,353.96 × 9,182.25
4. Step 4: Simplify right side
   15,469.88x = 196,077,422.17
5. Step 5: Solve for x
   x = 196,077,422.17/15,469.88
6. Step 6: Final answer
   x = 12,674.79