Finding the Fourth Proportional to 220,940.10, 331,429.29 and 61,016.10

Step by Step Solution

1. Step 1: Write the proportion equation
   220,940.10 : 331,429.29 = 61,016.10 : x
2. Step 2: Convert to fraction form
   220,940.10/331,429.29 = 61,016.10/x
3. Step 3: Cross multiply
   220,940.10x = 331,429.29 × 61,016.10
4. Step 4: Simplify right side
   220,940.10x = 20,222,522,701.57
5. Step 5: Solve for x
   x = 20,222,522,701.57/220,940.10
6. Step 6: Final answer
   x = 91,529.44