Finding the Fourth Proportional to 12,667.68, 17,480.16 and 7,079.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.68 : 17,480.16 = 7,079.04 : x
2. Step 2: Convert to fraction form
   12,667.68/17,480.16 = 7,079.04/x
3. Step 3: Cross multiply
   12,667.68x = 17,480.16 × 7,079.04
4. Step 4: Simplify right side
   12,667.68x = 123,742,751.85
5. Step 5: Solve for x
   x = 123,742,751.85/12,667.68
6. Step 6: Final answer
   x = 9,768.38