Finding the Fourth Proportional to 9,416.88, 12,995.92 and 5,438.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,416.88 : 12,995.92 = 5,438.16 : x
2. Step 2: Convert to fraction form
   9,416.88/12,995.92 = 5,438.16/x
3. Step 3: Cross multiply
   9,416.88x = 12,995.92 × 5,438.16
4. Step 4: Simplify right side
   9,416.88x = 70,673,892.31
5. Step 5: Solve for x
   x = 70,673,892.31/9,416.88
6. Step 6: Final answer
   x = 7,505.02