Finding the Fourth Proportional to 61,839.50, 85,338.72 and 33,545.39

Step by Step Solution

1. Step 1: Write the proportion equation
   61,839.50 : 85,338.72 = 33,545.39 : x
2. Step 2: Convert to fraction form
   61,839.50/85,338.72 = 33,545.39/x
3. Step 3: Cross multiply
   61,839.50x = 85,338.72 × 33,545.39
4. Step 4: Simplify right side
   61,839.50x = 2,862,720,217.81
5. Step 5: Solve for x
   x = 2,862,720,217.81/61,839.50
6. Step 6: Final answer
   x = 46,292.75