Finding the Fourth Proportional to 17,339.34, 23,928.46 and 9,381.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,339.34 : 23,928.46 = 9,381.72 : x
2. Step 2: Convert to fraction form
   17,339.34/23,928.46 = 9,381.72/x
3. Step 3: Cross multiply
   17,339.34x = 23,928.46 × 9,381.72
4. Step 4: Simplify right side
   17,339.34x = 224,490,111.75
5. Step 5: Solve for x
   x = 224,490,111.75/17,339.34
6. Step 6: Final answer
   x = 12,946.87