Finding the Fourth Proportional to 17,333.80, 23,920.32 and 9,780.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,333.80 : 23,920.32 = 9,780.01 : x
2. Step 2: Convert to fraction form
   17,333.80/23,920.32 = 9,780.01/x
3. Step 3: Cross multiply
   17,333.80x = 23,920.32 × 9,780.01
4. Step 4: Simplify right side
   17,333.80x = 233,940,968.80
5. Step 5: Solve for x
   x = 233,940,968.80/17,333.80
6. Step 6: Final answer
   x = 13,496.23