Finding the Fourth Proportional to 12,388.69, 17,097.24 and 7,011.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388.69 : 17,097.24 = 7,011.13 : x
2. Step 2: Convert to fraction form
   12,388.69/17,097.24 = 7,011.13/x
3. Step 3: Cross multiply
   12,388.69x = 17,097.24 × 7,011.13
4. Step 4: Simplify right side
   12,388.69x = 119,870,937.23
5. Step 5: Solve for x
   x = 119,870,937.23/12,388.69
6. Step 6: Final answer
   x = 9,675.84