Finding the Fourth Proportional to 110,144.24, 165,290.18 and 70,729.03

Step by Step Solution

1. Step 1: Write the proportion equation
   110,144.24 : 165,290.18 = 70,729.03 : x
2. Step 2: Convert to fraction form
   110,144.24/165,290.18 = 70,729.03/x
3. Step 3: Cross multiply
   110,144.24x = 165,290.18 × 70,729.03
4. Step 4: Simplify right side
   110,144.24x = 11,690,813,952.89
5. Step 5: Solve for x
   x = 11,690,813,952.89/110,144.24
6. Step 6: Final answer
   x = 106,140.95