Finding the Fourth Proportional to 9,384.20, 12,948.27 and 5,404.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,384.20 : 12,948.27 = 5,404.25 : x
2. Step 2: Convert to fraction form
   9,384.20/12,948.27 = 5,404.25/x
3. Step 3: Cross multiply
   9,384.20x = 12,948.27 × 5,404.25
4. Step 4: Simplify right side
   9,384.20x = 69,975,688.15
5. Step 5: Solve for x
   x = 69,975,688.15/9,384.20
6. Step 6: Final answer
   x = 7,456.76