Finding the Fourth Proportional to 50,145.14, 69,210.59 and 28,921.52

Step by Step Solution

1. Step 1: Write the proportion equation
   50,145.14 : 69,210.59 = 28,921.52 : x
2. Step 2: Convert to fraction form
   50,145.14/69,210.59 = 28,921.52/x
3. Step 3: Cross multiply
   50,145.14x = 69,210.59 × 28,921.52
4. Step 4: Simplify right side
   50,145.14x = 2,001,675,491.32
5. Step 5: Solve for x
   x = 2,001,675,491.32/50,145.14
6. Step 6: Final answer
   x = 39,917.63