Finding the Fourth Proportional to 10,359.10, 14,290.67 and 7,003.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.10 : 14,290.67 = 7,003.09 : x
2. Step 2: Convert to fraction form
   10,359.10/14,290.67 = 7,003.09/x
3. Step 3: Cross multiply
   10,359.10x = 14,290.67 × 7,003.09
4. Step 4: Simplify right side
   10,359.10x = 100,078,741.70
5. Step 5: Solve for x
   x = 100,078,741.70/10,359.10
6. Step 6: Final answer
   x = 9,660.95