Finding the Fourth Proportional to 42,665.94, 63,992.43 and 16,383.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,665.94 : 63,992.43 = 16,383.06 : x
2. Step 2: Convert to fraction form
   42,665.94/63,992.43 = 16,383.06/x
3. Step 3: Cross multiply
   42,665.94x = 63,992.43 × 16,383.06
4. Step 4: Simplify right side
   42,665.94x = 1,048,391,820.24
5. Step 5: Solve for x
   x = 1,048,391,820.24/42,665.94
6. Step 6: Final answer
   x = 24,572.10