Finding the Fourth Proportional to 42,982.59, 64,397.60 and 17,967.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,982.59 : 64,397.60 = 17,967.49 : x
2. Step 2: Convert to fraction form
   42,982.59/64,397.60 = 17,967.49/x
3. Step 3: Cross multiply
   42,982.59x = 64,397.60 × 17,967.49
4. Step 4: Simplify right side
   42,982.59x = 1,157,063,234.02
5. Step 5: Solve for x
   x = 1,157,063,234.02/42,982.59
6. Step 6: Final answer
   x = 26,919.35