Finding the Fourth Proportional to 9,389.96, 12,959.37 and 5,411.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,389.96 : 12,959.37 = 5,411.24 : x
2. Step 2: Convert to fraction form
   9,389.96/12,959.37 = 5,411.24/x
3. Step 3: Cross multiply
   9,389.96x = 12,959.37 × 5,411.24
4. Step 4: Simplify right side
   9,389.96x = 70,126,261.32
5. Step 5: Solve for x
   x = 70,126,261.32/9,389.96
6. Step 6: Final answer
   x = 7,468.22