Finding the Fourth Proportional to 50,835.50, 70,153.02 and 28,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,835.50 : 70,153.02 = 28,479.50 : x
2. Step 2: Convert to fraction form
   50,835.50/70,153.02 = 28,479.50/x
3. Step 3: Cross multiply
   50,835.50x = 70,153.02 × 28,479.50
4. Step 4: Simplify right side
   50,835.50x = 1,997,922,933.09
5. Step 5: Solve for x
   x = 1,997,922,933.09/50,835.50
6. Step 6: Final answer
   x = 39,301.73