Finding the Fourth Proportional to 61,871.37, 85,382.72 and 33,577.05

Step by Step Solution

1. Step 1: Write the proportion equation
   61,871.37 : 85,382.72 = 33,577.05 : x
2. Step 2: Convert to fraction form
   61,871.37/85,382.72 = 33,577.05/x
3. Step 3: Cross multiply
   61,871.37x = 85,382.72 × 33,577.05
4. Step 4: Simplify right side
   61,871.37x = 2,866,899,858.58
5. Step 5: Solve for x
   x = 2,866,899,858.58/61,871.37
6. Step 6: Final answer
   x = 46,336.45