Finding the Fourth Proportional to 50,140.16, 69,196.48 and 28,919.04

Step by Step Solution

1. Step 1: Write the proportion equation
   50,140.16 : 69,196.48 = 28,919.04 : x
2. Step 2: Convert to fraction form
   50,140.16/69,196.48 = 28,919.04/x
3. Step 3: Cross multiply
   50,140.16x = 69,196.48 × 28,919.04
4. Step 4: Simplify right side
   50,140.16x = 2,001,095,772.98
5. Step 5: Solve for x
   x = 2,001,095,772.98/50,140.16
6. Step 6: Final answer
   x = 39,910.04