Finding the Fourth Proportional to 16,772.79, 23,145.95 and 9,602.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,772.79 : 23,145.95 = 9,602.47 : x
2. Step 2: Convert to fraction form
   16,772.79/23,145.95 = 9,602.47/x
3. Step 3: Cross multiply
   16,772.79x = 23,145.95 × 9,602.47
4. Step 4: Simplify right side
   16,772.79x = 222,258,256.64
5. Step 5: Solve for x
   x = 222,258,256.64/16,772.79
6. Step 6: Final answer
   x = 13,251.12