Finding the Fourth Proportional to 16,783.61, 23,160.06 and 9,710.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.61 : 23,160.06 = 9,710.55 : x
2. Step 2: Convert to fraction form
   16,783.61/23,160.06 = 9,710.55/x
3. Step 3: Cross multiply
   16,783.61x = 23,160.06 × 9,710.55
4. Step 4: Simplify right side
   16,783.61x = 224,896,920.63
5. Step 5: Solve for x
   x = 224,896,920.63/16,783.61
6. Step 6: Final answer
   x = 13,399.80