Finding the Fourth Proportional to 42,997.33, 64,470.94 and 16,671.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,997.33 : 64,470.94 = 16,671.32 : x
2. Step 2: Convert to fraction form
   42,997.33/64,470.94 = 16,671.32/x
3. Step 3: Cross multiply
   42,997.33x = 64,470.94 × 16,671.32
4. Step 4: Simplify right side
   42,997.33x = 1,074,815,549.17
5. Step 5: Solve for x
   x = 1,074,815,549.17/42,997.33
6. Step 6: Final answer
   x = 24,997.26