Finding the Fourth Proportional to 50,833.09, 70,148.65 and 30,690.82

Step by Step Solution

1. Step 1: Write the proportion equation
   50,833.09 : 70,148.65 = 30,690.82 : x
2. Step 2: Convert to fraction form
   50,833.09/70,148.65 = 30,690.82/x
3. Step 3: Cross multiply
   50,833.09x = 70,148.65 × 30,690.82
4. Step 4: Simplify right side
   50,833.09x = 2,152,919,590.39
5. Step 5: Solve for x
   x = 2,152,919,590.39/50,833.09
6. Step 6: Final answer
   x = 42,352.72