Finding the Fourth Proportional to 13,422.38, 18,522.88 and 7,833.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,422.38 : 18,522.88 = 7,833.38 : x
2. Step 2: Convert to fraction form
   13,422.38/18,522.88 = 7,833.38/x
3. Step 3: Cross multiply
   13,422.38x = 18,522.88 × 7,833.38
4. Step 4: Simplify right side
   13,422.38x = 145,096,645.54
5. Step 5: Solve for x
   x = 145,096,645.54/13,422.38
6. Step 6: Final answer
   x = 10,810.06