Finding the Fourth Proportional to 105,014.96, 144,806.05 and 70,964.39

Step by Step Solution

1. Step 1: Write the proportion equation
   105,014.96 : 144,806.05 = 70,964.39 : x
2. Step 2: Convert to fraction form
   105,014.96/144,806.05 = 70,964.39/x
3. Step 3: Cross multiply
   105,014.96x = 144,806.05 × 70,964.39
4. Step 4: Simplify right side
   105,014.96x = 10,276,073,453.23
5. Step 5: Solve for x
   x = 10,276,073,453.23/105,014.96
6. Step 6: Final answer
   x = 97,853.43