Finding the Fourth Proportional to 9,417.91, 12,996.57 and 5,384.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.91 : 12,996.57 = 5,384.69 : x
2. Step 2: Convert to fraction form
   9,417.91/12,996.57 = 5,384.69/x
3. Step 3: Cross multiply
   9,417.91x = 12,996.57 × 5,384.69
4. Step 4: Simplify right side
   9,417.91x = 69,982,500.51
5. Step 5: Solve for x
   x = 69,982,500.51/9,417.91
6. Step 6: Final answer
   x = 7,430.79