Finding the Fourth Proportional to 42,103.71, 58,172.85 and 33,218.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,103.71 : 58,172.85 = 33,218.82 : x
2. Step 2: Convert to fraction form
   42,103.71/58,172.85 = 33,218.82/x
3. Step 3: Cross multiply
   42,103.71x = 58,172.85 × 33,218.82
4. Step 4: Simplify right side
   42,103.71x = 1,932,433,433.04
5. Step 5: Solve for x
   x = 1,932,433,433.04/42,103.71
6. Step 6: Final answer
   x = 45,896.99