Finding the Fourth Proportional to 17,334.18, 23,921.15 and 9,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,334.18 : 23,921.15 = 9,780.50 : x
2. Step 2: Convert to fraction form
   17,334.18/23,921.15 = 9,780.50/x
3. Step 3: Cross multiply
   17,334.18x = 23,921.15 × 9,780.50
4. Step 4: Simplify right side
   17,334.18x = 233,960,818.48
5. Step 5: Solve for x
   x = 233,960,818.48/17,334.18
6. Step 6: Final answer
   x = 13,497.08