Finding the Fourth Proportional to 9,430.29, 13,016.12 and 5,453.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,430.29 : 13,016.12 = 5,453.87 : x
2. Step 2: Convert to fraction form
   9,430.29/13,016.12 = 5,453.87/x
3. Step 3: Cross multiply
   9,430.29x = 13,016.12 × 5,453.87
4. Step 4: Simplify right side
   9,430.29x = 70,988,134.03
5. Step 5: Solve for x
   x = 70,988,134.03/9,430.29
6. Step 6: Final answer
   x = 7,527.67