Finding the Fourth Proportional to 16,956.44, 23,398.62 and 9,503

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956.44 : 23,398.62 = 9,503 : x
2. Step 2: Convert to fraction form
   16,956.44/23,398.62 = 9,503/x
3. Step 3: Cross multiply
   16,956.44x = 23,398.62 × 9,503
4. Step 4: Simplify right side
   16,956.44x = 222,357,085.86
5. Step 5: Solve for x
   x = 222,357,085.86/16,956.44
6. Step 6: Final answer
   x = 13,113.43