Finding the Fourth Proportional to 16,520.38, 24,784.71 and 5,427.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,520.38 : 24,784.71 = 5,427.70 : x
2. Step 2: Convert to fraction form
   16,520.38/24,784.71 = 5,427.70/x
3. Step 3: Cross multiply
   16,520.38x = 24,784.71 × 5,427.70
4. Step 4: Simplify right side
   16,520.38x = 134,523,970.47
5. Step 5: Solve for x
   x = 134,523,970.47/16,520.38
6. Step 6: Final answer
   x = 8,142.91