Finding the Fourth Proportional to 42,669.69, 63,680.09 and 37,940.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,669.69 : 63,680.09 = 37,940.56 : x
2. Step 2: Convert to fraction form
   42,669.69/63,680.09 = 37,940.56/x
3. Step 3: Cross multiply
   42,669.69x = 63,680.09 × 37,940.56
4. Step 4: Simplify right side
   42,669.69x = 2,416,058,339.80
5. Step 5: Solve for x
   x = 2,416,058,339.80/42,669.69
6. Step 6: Final answer
   x = 56,622.35