Finding the Fourth Proportional to 10,340.81, 14,270.36 and 5,625.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,340.81 : 14,270.36 = 5,625.12 : x
2. Step 2: Convert to fraction form
   10,340.81/14,270.36 = 5,625.12/x
3. Step 3: Cross multiply
   10,340.81x = 14,270.36 × 5,625.12
4. Step 4: Simplify right side
   10,340.81x = 80,272,487.44
5. Step 5: Solve for x
   x = 80,272,487.44/10,340.81
6. Step 6: Final answer
   x = 7,762.69