Finding the Fourth Proportional to 17,348.07, 23,940.46 and 9,390.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,348.07 : 23,940.46 = 9,390.31 : x
2. Step 2: Convert to fraction form
   17,348.07/23,940.46 = 9,390.31/x
3. Step 3: Cross multiply
   17,348.07x = 23,940.46 × 9,390.31
4. Step 4: Simplify right side
   17,348.07x = 224,808,374.67
5. Step 5: Solve for x
   x = 224,808,374.67/17,348.07
6. Step 6: Final answer
   x = 12,958.70