Finding the Fourth Proportional to 17,333.37, 23,920.06 and 9,781.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,333.37 : 23,920.06 = 9,781.30 : x
2. Step 2: Convert to fraction form
   17,333.37/23,920.06 = 9,781.30/x
3. Step 3: Cross multiply
   17,333.37x = 23,920.06 × 9,781.30
4. Step 4: Simplify right side
   17,333.37x = 233,969,258.90
5. Step 5: Solve for x
   x = 233,969,258.90/17,333.37
6. Step 6: Final answer
   x = 13,498.20