Finding the Fourth Proportional to 17,333.67, 23,920.32 and 9,780.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,333.67 : 23,920.32 = 9,780.06 : x
2. Step 2: Convert to fraction form
   17,333.67/23,920.32 = 9,780.06/x
3. Step 3: Cross multiply
   17,333.67x = 23,920.32 × 9,780.06
4. Step 4: Simplify right side
   17,333.67x = 233,942,164.82
5. Step 5: Solve for x
   x = 233,942,164.82/17,333.67
6. Step 6: Final answer
   x = 13,496.40