Finding the Fourth Proportional to 12,972.48, 17,902.16 and 7,383.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,972.48 : 17,902.16 = 7,383.52 : x
2. Step 2: Convert to fraction form
   12,972.48/17,902.16 = 7,383.52/x
3. Step 3: Cross multiply
   12,972.48x = 17,902.16 × 7,383.52
4. Step 4: Simplify right side
   12,972.48x = 132,180,956.40
5. Step 5: Solve for x
   x = 132,180,956.40/12,972.48
6. Step 6: Final answer
   x = 10,189.34