Finding the Fourth Proportional to 50,818.86, 70,128.13 and 29,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,818.86 : 70,128.13 = 29,309.50 : x
2. Step 2: Convert to fraction form
   50,818.86/70,128.13 = 29,309.50/x
3. Step 3: Cross multiply
   50,818.86x = 70,128.13 × 29,309.50
4. Step 4: Simplify right side
   50,818.86x = 2,055,420,544.89
5. Step 5: Solve for x
   x = 2,055,420,544.89/50,818.86
6. Step 6: Final answer
   x = 40,446.02