Finding the Fourth Proportional to 12,937.28, 17,853.72 and 7,348.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,937.28 : 17,853.72 = 7,348.16 : x
2. Step 2: Convert to fraction form
   12,937.28/17,853.72 = 7,348.16/x
3. Step 3: Cross multiply
   12,937.28x = 17,853.72 × 7,348.16
4. Step 4: Simplify right side
   12,937.28x = 131,191,991.16
5. Step 5: Solve for x
   x = 131,191,991.16/12,937.28
6. Step 6: Final answer
   x = 10,140.62