Finding the Fourth Proportional to 13,823.38, 19,061.49 and 9,099.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,823.38 : 19,061.49 = 9,099.46 : x
2. Step 2: Convert to fraction form
   13,823.38/19,061.49 = 9,099.46/x
3. Step 3: Cross multiply
   13,823.38x = 19,061.49 × 9,099.46
4. Step 4: Simplify right side
   13,823.38x = 173,449,265.80
5. Step 5: Solve for x
   x = 173,449,265.80/13,823.38
6. Step 6: Final answer
   x = 12,547.53