Finding the Fourth Proportional to 7,479.87, 10,322.06 and 4,122.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,479.87 : 10,322.06 = 4,122.69 : x
2. Step 2: Convert to fraction form
   7,479.87/10,322.06 = 4,122.69/x
3. Step 3: Cross multiply
   7,479.87x = 10,322.06 × 4,122.69
4. Step 4: Simplify right side
   7,479.87x = 42,554,632.93
5. Step 5: Solve for x
   x = 42,554,632.93/7,479.87
6. Step 6: Final answer
   x = 5,689.22