Finding the Fourth Proportional to 10,343.74, 14,274.47 and 5,628.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,343.74 : 14,274.47 = 5,628.03 : x
2. Step 2: Convert to fraction form
   10,343.74/14,274.47 = 5,628.03/x
3. Step 3: Cross multiply
   10,343.74x = 14,274.47 × 5,628.03
4. Step 4: Simplify right side
   10,343.74x = 80,337,145.39
5. Step 5: Solve for x
   x = 80,337,145.39/10,343.74
6. Step 6: Final answer
   x = 7,766.74