Finding the Fourth Proportional to 42,683.37, 63,965.52 and 33,280.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,683.37 : 63,965.52 = 33,280.53 : x
2. Step 2: Convert to fraction form
   42,683.37/63,965.52 = 33,280.53/x
3. Step 3: Cross multiply
   42,683.37x = 63,965.52 × 33,280.53
4. Step 4: Simplify right side
   42,683.37x = 2,128,806,407.33
5. Step 5: Solve for x
   x = 2,128,806,407.33/42,683.37
6. Step 6: Final answer
   x = 49,874.38