Finding the Fourth Proportional to 42,982.68, 64,483.25 and 16,687.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,982.68 : 64,483.25 = 16,687.43 : x
2. Step 2: Convert to fraction form
   42,982.68/64,483.25 = 16,687.43/x
3. Step 3: Cross multiply
   42,982.68x = 64,483.25 × 16,687.43
4. Step 4: Simplify right side
   42,982.68x = 1,076,059,314.69
5. Step 5: Solve for x
   x = 1,076,059,314.69/42,982.68
6. Step 6: Final answer
   x = 25,034.72