Finding the Fourth Proportional to 9,652.72, 13,321.40 and 5,404.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,652.72 : 13,321.40 = 5,404.16 : x
2. Step 2: Convert to fraction form
   9,652.72/13,321.40 = 5,404.16/x
3. Step 3: Cross multiply
   9,652.72x = 13,321.40 × 5,404.16
4. Step 4: Simplify right side
   9,652.72x = 71,990,977.02
5. Step 5: Solve for x
   x = 71,990,977.02/9,652.72
6. Step 6: Final answer
   x = 7,458.10