Finding the Fourth Proportional to 10,352.15, 14,285.88 and 5,636.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,352.15 : 14,285.88 = 5,636.42 : x
2. Step 2: Convert to fraction form
   10,352.15/14,285.88 = 5,636.42/x
3. Step 3: Cross multiply
   10,352.15x = 14,285.88 × 5,636.42
4. Step 4: Simplify right side
   10,352.15x = 80,521,219.75
5. Step 5: Solve for x
   x = 80,521,219.75/10,352.15
6. Step 6: Final answer
   x = 7,778.21