Finding the Fourth Proportional to 16,570.28, 22,875.46 and 12,784.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,570.28 : 22,875.46 = 12,784.94 : x
2. Step 2: Convert to fraction form
   16,570.28/22,875.46 = 12,784.94/x
3. Step 3: Cross multiply
   16,570.28x = 22,875.46 × 12,784.94
4. Step 4: Simplify right side
   16,570.28x = 292,461,383.57
5. Step 5: Solve for x
   x = 292,461,383.57/16,570.28
6. Step 6: Final answer
   x = 17,649.76