Finding the Fourth Proportional to 16,783.02, 25,172.78 and 5,689.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,783.02 : 25,172.78 = 5,689.43 : x
2. Step 2: Convert to fraction form
   16,783.02/25,172.78 = 5,689.43/x
3. Step 3: Cross multiply
   16,783.02x = 25,172.78 × 5,689.43
4. Step 4: Simplify right side
   16,783.02x = 143,218,615.40
5. Step 5: Solve for x
   x = 143,218,615.40/16,783.02
6. Step 6: Final answer
   x = 8,533.54