Finding the Fourth Proportional to 10,390.24, 14,338.50 and 5,674.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390.24 : 14,338.50 = 5,674.52 : x
2. Step 2: Convert to fraction form
   10,390.24/14,338.50 = 5,674.52/x
3. Step 3: Cross multiply
   10,390.24x = 14,338.50 × 5,674.52
4. Step 4: Simplify right side
   10,390.24x = 81,364,105.02
5. Step 5: Solve for x
   x = 81,364,105.02/10,390.24
6. Step 6: Final answer
   x = 7,830.82