Finding the Fourth Proportional to 16,772.62, 23,145.71 and 9,602.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,772.62 : 23,145.71 = 9,602.30 : x
2. Step 2: Convert to fraction form
   16,772.62/23,145.71 = 9,602.30/x
3. Step 3: Cross multiply
   16,772.62x = 23,145.71 × 9,602.30
4. Step 4: Simplify right side
   16,772.62x = 222,251,959.41
5. Step 5: Solve for x
   x = 222,251,959.41/16,772.62
6. Step 6: Final answer
   x = 13,250.88