Finding the Fourth Proportional to 50,142.83, 69,180.03 and 28,617.17

Step by Step Solution

1. Step 1: Write the proportion equation
   50,142.83 : 69,180.03 = 28,617.17 : x
2. Step 2: Convert to fraction form
   50,142.83/69,180.03 = 28,617.17/x
3. Step 3: Cross multiply
   50,142.83x = 69,180.03 × 28,617.17
4. Step 4: Simplify right side
   50,142.83x = 1,979,736,333.21
5. Step 5: Solve for x
   x = 1,979,736,333.21/50,142.83
6. Step 6: Final answer
   x = 39,481.95