Finding the Fourth Proportional to 9,430.72, 13,014.12 and 5,453.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,430.72 : 13,014.12 = 5,453.08 : x
2. Step 2: Convert to fraction form
   9,430.72/13,014.12 = 5,453.08/x
3. Step 3: Cross multiply
   9,430.72x = 13,014.12 × 5,453.08
4. Step 4: Simplify right side
   9,430.72x = 70,967,037.49
5. Step 5: Solve for x
   x = 70,967,037.49/9,430.72
6. Step 6: Final answer
   x = 7,525.09