Finding the Fourth Proportional to 15,401.91, 21,257.93 and 9,733.05

Step by Step Solution

1. Step 1: Write the proportion equation
   15,401.91 : 21,257.93 = 9,733.05 : x
2. Step 2: Convert to fraction form
   15,401.91/21,257.93 = 9,733.05/x
3. Step 3: Cross multiply
   15,401.91x = 21,257.93 × 9,733.05
4. Step 4: Simplify right side
   15,401.91x = 206,904,495.59
5. Step 5: Solve for x
   x = 206,904,495.59/15,401.91
6. Step 6: Final answer
   x = 13,433.69