Finding the Fourth Proportional to 7,479.46, 10,321.82 and 4,122.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,479.46 : 10,321.82 = 4,122.42 : x
2. Step 2: Convert to fraction form
   7,479.46/10,321.82 = 4,122.42/x
3. Step 3: Cross multiply
   7,479.46x = 10,321.82 × 4,122.42
4. Step 4: Simplify right side
   7,479.46x = 42,550,877.20
5. Step 5: Solve for x
   x = 42,550,877.20/7,479.46
6. Step 6: Final answer
   x = 5,689.03