Finding the Fourth Proportional to 10,335.35, 15,478.38 and 5,648.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,335.35 : 15,478.38 = 5,648.33 : x
2. Step 2: Convert to fraction form
   10,335.35/15,478.38 = 5,648.33/x
3. Step 3: Cross multiply
   10,335.35x = 15,478.38 × 5,648.33
4. Step 4: Simplify right side
   10,335.35x = 87,426,920.71
5. Step 5: Solve for x
   x = 87,426,920.71/10,335.35
6. Step 6: Final answer
   x = 8,459.02