Finding the Fourth Proportional to 50,845.71, 70,168.89 and 30,698.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,845.71 : 70,168.89 = 30,698.69 : x
2. Step 2: Convert to fraction form
   50,845.71/70,168.89 = 30,698.69/x
3. Step 3: Cross multiply
   50,845.71x = 70,168.89 × 30,698.69
4. Step 4: Simplify right side
   50,845.71x = 2,154,092,650.91
5. Step 5: Solve for x
   x = 2,154,092,650.91/50,845.71
6. Step 6: Final answer
   x = 42,365.28