Finding the Fourth Proportional to 15,827.46, 21,843.98 and 9,113.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,827.46 : 21,843.98 = 9,113.38 : x
2. Step 2: Convert to fraction form
   15,827.46/21,843.98 = 9,113.38/x
3. Step 3: Cross multiply
   15,827.46x = 21,843.98 × 9,113.38
4. Step 4: Simplify right side
   15,827.46x = 199,072,490.45
5. Step 5: Solve for x
   x = 199,072,490.45/15,827.46
6. Step 6: Final answer
   x = 12,577.67