Finding the Fourth Proportional to 50,815.86, 70,125.72 and 29,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,815.86 : 70,125.72 = 29,305.50 : x
2. Step 2: Convert to fraction form
   50,815.86/70,125.72 = 29,305.50/x
3. Step 3: Cross multiply
   50,815.86x = 70,125.72 × 29,305.50
4. Step 4: Simplify right side
   50,815.86x = 2,055,069,287.46
5. Step 5: Solve for x
   x = 2,055,069,287.46/50,815.86
6. Step 6: Final answer
   x = 40,441.49