Finding the Fourth Proportional to 50,248.43, 69,343.93 and 28,740.17

Step by Step Solution

1. Step 1: Write the proportion equation
   50,248.43 : 69,343.93 = 28,740.17 : x
2. Step 2: Convert to fraction form
   50,248.43/69,343.93 = 28,740.17/x
3. Step 3: Cross multiply
   50,248.43x = 69,343.93 × 28,740.17
4. Step 4: Simplify right side
   50,248.43x = 1,992,956,155.89
5. Step 5: Solve for x
   x = 1,992,956,155.89/50,248.43
6. Step 6: Final answer
   x = 39,662.05