Finding the Fourth Proportional to 10,320.50, 14,242.36 and 5,604.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,320.50 : 14,242.36 = 5,604.78 : x
2. Step 2: Convert to fraction form
   10,320.50/14,242.36 = 5,604.78/x
3. Step 3: Cross multiply
   10,320.50x = 14,242.36 × 5,604.78
4. Step 4: Simplify right side
   10,320.50x = 79,825,294.48
5. Step 5: Solve for x
   x = 79,825,294.48/10,320.50
6. Step 6: Final answer
   x = 7,734.63