Finding the Fourth Proportional to 16,784.96, 23,157.70 and 9,706.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.96 : 23,157.70 = 9,706.37 : x
2. Step 2: Convert to fraction form
   16,784.96/23,157.70 = 9,706.37/x
3. Step 3: Cross multiply
   16,784.96x = 23,157.70 × 9,706.37
4. Step 4: Simplify right side
   16,784.96x = 224,777,064.49
5. Step 5: Solve for x
   x = 224,777,064.49/16,784.96
6. Step 6: Final answer
   x = 13,391.58