Finding the Fourth Proportional to 10,340.79, 14,270.67 and 5,625.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,340.79 : 14,270.67 = 5,625.42 : x
2. Step 2: Convert to fraction form
   10,340.79/14,270.67 = 5,625.42/x
3. Step 3: Cross multiply
   10,340.79x = 14,270.67 × 5,625.42
4. Step 4: Simplify right side
   10,340.79x = 80,278,512.43
5. Step 5: Solve for x
   x = 80,278,512.43/10,340.79
6. Step 6: Final answer
   x = 7,763.29