Finding the Fourth Proportional to 10,328.79, 14,253.73 and 5,613.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,328.79 : 14,253.73 = 5,613.07 : x
2. Step 2: Convert to fraction form
   10,328.79/14,253.73 = 5,613.07/x
3. Step 3: Cross multiply
   10,328.79x = 14,253.73 × 5,613.07
4. Step 4: Simplify right side
   10,328.79x = 80,007,120.55
5. Step 5: Solve for x
   x = 80,007,120.55/10,328.79
6. Step 6: Final answer
   x = 7,746.03