Finding the Fourth Proportional to 9,430.69, 13,012.90 and 5,451.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,430.69 : 13,012.90 = 5,451.03 : x
2. Step 2: Convert to fraction form
   9,430.69/13,012.90 = 5,451.03/x
3. Step 3: Cross multiply
   9,430.69x = 13,012.90 × 5,451.03
4. Step 4: Simplify right side
   9,430.69x = 70,933,708.29
5. Step 5: Solve for x
   x = 70,933,708.29/9,430.69
6. Step 6: Final answer
   x = 7,521.58