Finding the Fourth Proportional to 17,339.27, 23,928.21 and 9,381.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,339.27 : 23,928.21 = 9,381.56 : x
2. Step 2: Convert to fraction form
   17,339.27/23,928.21 = 9,381.56/x
3. Step 3: Cross multiply
   17,339.27x = 23,928.21 × 9,381.56
4. Step 4: Simplify right side
   17,339.27x = 224,483,818.17
5. Step 5: Solve for x
   x = 224,483,818.17/17,339.27
6. Step 6: Final answer
   x = 12,946.56