Finding the Fourth Proportional to 12,328.08, 17,013.72 and 7,023.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,328.08 : 17,013.72 = 7,023.12 : x
2. Step 2: Convert to fraction form
   12,328.08/17,013.72 = 7,023.12/x
3. Step 3: Cross multiply
   12,328.08x = 17,013.72 × 7,023.12
4. Step 4: Simplify right side
   12,328.08x = 119,489,397.21
5. Step 5: Solve for x
   x = 119,489,397.21/12,328.08
6. Step 6: Final answer
   x = 9,692.46