Finding the Fourth Proportional to 9,431.99, 13,018.55 and 5,452.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,431.99 : 13,018.55 = 5,452.59 : x
2. Step 2: Convert to fraction form
   9,431.99/13,018.55 = 5,452.59/x
3. Step 3: Cross multiply
   9,431.99x = 13,018.55 × 5,452.59
4. Step 4: Simplify right side
   9,431.99x = 70,984,788.28
5. Step 5: Solve for x
   x = 70,984,788.28/9,431.99
6. Step 6: Final answer
   x = 7,525.96