Finding the Fourth Proportional to 10,343.67, 14,274.45 and 5,628.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,343.67 : 14,274.45 = 5,628.03 : x
2. Step 2: Convert to fraction form
   10,343.67/14,274.45 = 5,628.03/x
3. Step 3: Cross multiply
   10,343.67x = 14,274.45 × 5,628.03
4. Step 4: Simplify right side
   10,343.67x = 80,337,032.83
5. Step 5: Solve for x
   x = 80,337,032.83/10,343.67
6. Step 6: Final answer
   x = 7,766.78