Finding the Fourth Proportional to 12,384.81, 17,088.09 and 7,007.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.81 : 17,088.09 = 7,007.37 : x
2. Step 2: Convert to fraction form
   12,384.81/17,088.09 = 7,007.37/x
3. Step 3: Cross multiply
   12,384.81x = 17,088.09 × 7,007.37
4. Step 4: Simplify right side
   12,384.81x = 119,742,569.22
5. Step 5: Solve for x
   x = 119,742,569.22/12,384.81
6. Step 6: Final answer
   x = 9,668.50