Finding the Fourth Proportional to 12,667.48, 17,480.16 and 7,001.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.48 : 17,480.16 = 7,001.32 : x
2. Step 2: Convert to fraction form
   12,667.48/17,480.16 = 7,001.32/x
3. Step 3: Cross multiply
   12,667.48x = 17,480.16 × 7,001.32
4. Step 4: Simplify right side
   12,667.48x = 122,384,193.81
5. Step 5: Solve for x
   x = 122,384,193.81/12,667.48
6. Step 6: Final answer
   x = 9,661.29