Finding the Fourth Proportional to 42,690.52, 63,936.17 and 33,745.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,690.52 : 63,936.17 = 33,745.81 : x
2. Step 2: Convert to fraction form
   42,690.52/63,936.17 = 33,745.81/x
3. Step 3: Cross multiply
   42,690.52x = 63,936.17 × 33,745.81
4. Step 4: Simplify right side
   42,690.52x = 2,157,577,844.95
5. Step 5: Solve for x
   x = 2,157,577,844.95/42,690.52
6. Step 6: Final answer
   x = 50,539.98