Finding the Fourth Proportional to 50,875.96, 70,208.82 and 28,218.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,875.96 : 70,208.82 = 28,218.42 : x
2. Step 2: Convert to fraction form
   50,875.96/70,208.82 = 28,218.42/x
3. Step 3: Cross multiply
   50,875.96x = 70,208.82 × 28,218.42
4. Step 4: Simplify right side
   50,875.96x = 1,981,181,970.46
5. Step 5: Solve for x
   x = 1,981,181,970.46/50,875.96
6. Step 6: Final answer
   x = 38,941.42