Finding the Fourth Proportional to 9,007.28, 12,424.86 and 5,419.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007.28 : 12,424.86 = 5,419.74 : x
2. Step 2: Convert to fraction form
   9,007.28/12,424.86 = 5,419.74/x
3. Step 3: Cross multiply
   9,007.28x = 12,424.86 × 5,419.74
4. Step 4: Simplify right side
   9,007.28x = 67,339,510.74
5. Step 5: Solve for x
   x = 67,339,510.74/9,007.28
6. Step 6: Final answer
   x = 7,476.12