Finding the Fourth Proportional to 10,320.54, 14,242.32 and 5,604.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,320.54 : 14,242.32 = 5,604.78 : x
2. Step 2: Convert to fraction form
   10,320.54/14,242.32 = 5,604.78/x
3. Step 3: Cross multiply
   10,320.54x = 14,242.32 × 5,604.78
4. Step 4: Simplify right side
   10,320.54x = 79,825,070.29
5. Step 5: Solve for x
   x = 79,825,070.29/10,320.54
6. Step 6: Final answer
   x = 7,734.58