Finding the Fourth Proportional to 42,905.82, 64,382.90 and 33,519.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,905.82 : 64,382.90 = 33,519.53 : x
2. Step 2: Convert to fraction form
   42,905.82/64,382.90 = 33,519.53/x
3. Step 3: Cross multiply
   42,905.82x = 64,382.90 × 33,519.53
4. Step 4: Simplify right side
   42,905.82x = 2,158,084,058.52
5. Step 5: Solve for x
   x = 2,158,084,058.52/42,905.82
6. Step 6: Final answer
   x = 50,298.17