Finding the Fourth Proportional to 70,951.43, 106,335.20 and 28,782.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,951.43 : 106,335.20 = 28,782.42 : x
2. Step 2: Convert to fraction form
   70,951.43/106,335.20 = 28,782.42/x
3. Step 3: Cross multiply
   70,951.43x = 106,335.20 × 28,782.42
4. Step 4: Simplify right side
   70,951.43x = 3,060,584,243.27
5. Step 5: Solve for x
   x = 3,060,584,243.27/70,951.43
6. Step 6: Final answer
   x = 43,136.33