Finding the Fourth Proportional to 61,898.82, 85,421.42 and 33,604.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,898.82 : 85,421.42 = 33,604.50 : x
2. Step 2: Convert to fraction form
   61,898.82/85,421.42 = 33,604.50/x
3. Step 3: Cross multiply
   61,898.82x = 85,421.42 × 33,604.50
4. Step 4: Simplify right side
   61,898.82x = 2,870,543,940.37
5. Step 5: Solve for x
   x = 2,870,543,940.37/61,898.82
6. Step 6: Final answer
   x = 46,374.78