Finding the Fourth Proportional to 12,328.69, 17,012.28 and 7,293.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,328.69 : 17,012.28 = 7,293.10 : x
2. Step 2: Convert to fraction form
   12,328.69/17,012.28 = 7,293.10/x
3. Step 3: Cross multiply
   12,328.69x = 17,012.28 × 7,293.10
4. Step 4: Simplify right side
   12,328.69x = 124,072,259.27
5. Step 5: Solve for x
   x = 124,072,259.27/12,328.69
6. Step 6: Final answer
   x = 10,063.70