Finding the Fourth Proportional to 10,344.81, 14,275.35 and 5,628.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,344.81 : 14,275.35 = 5,628.99 : x
2. Step 2: Convert to fraction form
   10,344.81/14,275.35 = 5,628.99/x
3. Step 3: Cross multiply
   10,344.81x = 14,275.35 × 5,628.99
4. Step 4: Simplify right side
   10,344.81x = 80,355,802.40
5. Step 5: Solve for x
   x = 80,355,802.40/10,344.81
6. Step 6: Final answer
   x = 7,767.74