Finding the Fourth Proportional to 42,678.50, 64,024.70 and 16,026.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,678.50 : 64,024.70 = 16,026.56 : x
2. Step 2: Convert to fraction form
   42,678.50/64,024.70 = 16,026.56/x
3. Step 3: Cross multiply
   42,678.50x = 64,024.70 × 16,026.56
4. Step 4: Simplify right side
   42,678.50x = 1,026,095,295.78
5. Step 5: Solve for x
   x = 1,026,095,295.78/42,678.50
6. Step 6: Final answer
   x = 24,042.44