Finding the Fourth Proportional to 9,366.84, 12,924.36 and 5,388.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,366.84 : 12,924.36 = 5,388.12 : x
2. Step 2: Convert to fraction form
   9,366.84/12,924.36 = 5,388.12/x
3. Step 3: Cross multiply
   9,366.84x = 12,924.36 × 5,388.12
4. Step 4: Simplify right side
   9,366.84x = 69,638,002.60
5. Step 5: Solve for x
   x = 69,638,002.60/9,366.84
6. Step 6: Final answer
   x = 7,434.52