Finding the Fourth Proportional to 9,007.59, 12,430.72 and 5,028.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007.59 : 12,430.72 = 5,028.96 : x
2. Step 2: Convert to fraction form
   9,007.59/12,430.72 = 5,028.96/x
3. Step 3: Cross multiply
   9,007.59x = 12,430.72 × 5,028.96
4. Step 4: Simplify right side
   9,007.59x = 62,513,593.65
5. Step 5: Solve for x
   x = 62,513,593.65/9,007.59
6. Step 6: Final answer
   x = 6,940.10