Finding the Fourth Proportional to 10,390.41, 14,338.76 and 5,674.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390.41 : 14,338.76 = 5,674.69 : x
2. Step 2: Convert to fraction form
   10,390.41/14,338.76 = 5,674.69/x
3. Step 3: Cross multiply
   10,390.41x = 14,338.76 × 5,674.69
4. Step 4: Simplify right side
   10,390.41x = 81,368,017.98
5. Step 5: Solve for x
   x = 81,368,017.98/10,390.41
6. Step 6: Final answer
   x = 7,831.07