Finding the Fourth Proportional to 70,047.50, 105,059.94 and 20,116.24

Step by Step Solution

1. Step 1: Write the proportion equation
   70,047.50 : 105,059.94 = 20,116.24 : x
2. Step 2: Convert to fraction form
   70,047.50/105,059.94 = 20,116.24/x
3. Step 3: Cross multiply
   70,047.50x = 105,059.94 × 20,116.24
4. Step 4: Simplify right side
   70,047.50x = 2,113,410,629.34
5. Step 5: Solve for x
   x = 2,113,410,629.34/70,047.50
6. Step 6: Final answer
   x = 30,171.11