Finding the Fourth Proportional to 42,841.28, 64,249.58 and 14,760.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,841.28 : 64,249.58 = 14,760.20 : x
2. Step 2: Convert to fraction form
   42,841.28/64,249.58 = 14,760.20/x
3. Step 3: Cross multiply
   42,841.28x = 64,249.58 × 14,760.20
4. Step 4: Simplify right side
   42,841.28x = 948,336,650.72
5. Step 5: Solve for x
   x = 948,336,650.72/42,841.28
6. Step 6: Final answer
   x = 22,136.05