Finding the Fourth Proportional to 79,143.57, 109,228.56 and 45,144.27

Step by Step Solution

1. Step 1: Write the proportion equation
   79,143.57 : 109,228.56 = 45,144.27 : x
2. Step 2: Convert to fraction form
   79,143.57/109,228.56 = 45,144.27/x
3. Step 3: Cross multiply
   79,143.57x = 109,228.56 × 45,144.27
4. Step 4: Simplify right side
   79,143.57x = 4,931,043,604.35
5. Step 5: Solve for x
   x = 4,931,043,604.35/79,143.57
6. Step 6: Final answer
   x = 62,305.04