Finding the Fourth Proportional to 9,384.26, 12,948.36 and 5,404.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,384.26 : 12,948.36 = 5,404.32 : x
2. Step 2: Convert to fraction form
   9,384.26/12,948.36 = 5,404.32/x
3. Step 3: Cross multiply
   9,384.26x = 12,948.36 × 5,404.32
4. Step 4: Simplify right side
   9,384.26x = 69,977,060.65
5. Step 5: Solve for x
   x = 69,977,060.65/9,384.26
6. Step 6: Final answer
   x = 7,456.86