Finding the Fourth Proportional to 42,853.52, 64,306.20 and 16,560.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,853.52 : 64,306.20 = 16,560.56 : x
2. Step 2: Convert to fraction form
   42,853.52/64,306.20 = 16,560.56/x
3. Step 3: Cross multiply
   42,853.52x = 64,306.20 × 16,560.56
4. Step 4: Simplify right side
   42,853.52x = 1,064,946,683.47
5. Step 5: Solve for x
   x = 1,064,946,683.47/42,853.52
6. Step 6: Final answer
   x = 24,850.86