Finding the Fourth Proportional to 61,899.69, 85,422.61 and 33,605.38

Step by Step Solution

1. Step 1: Write the proportion equation
   61,899.69 : 85,422.61 = 33,605.38 : x
2. Step 2: Convert to fraction form
   61,899.69/85,422.61 = 33,605.38/x
3. Step 3: Cross multiply
   61,899.69x = 85,422.61 × 33,605.38
4. Step 4: Simplify right side
   61,899.69x = 2,870,659,269.64
5. Step 5: Solve for x
   x = 2,870,659,269.64/61,899.69
6. Step 6: Final answer
   x = 46,375.99