Finding the Fourth Proportional to 10,067.21, 15,106.25 and 5,915.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,067.21 : 15,106.25 = 5,915.33 : x
2. Step 2: Convert to fraction form
   10,067.21/15,106.25 = 5,915.33/x
3. Step 3: Cross multiply
   10,067.21x = 15,106.25 × 5,915.33
4. Step 4: Simplify right side
   10,067.21x = 89,358,348.70
5. Step 5: Solve for x
   x = 89,358,348.70/10,067.21
6. Step 6: Final answer
   x = 8,876.18