Finding the Fourth Proportional to 145,173.32, 217,788.06 and 50,406.92

Step by Step Solution

1. Step 1: Write the proportion equation
   145,173.32 : 217,788.06 = 50,406.92 : x
2. Step 2: Convert to fraction form
   145,173.32/217,788.06 = 50,406.92/x
3. Step 3: Cross multiply
   145,173.32x = 217,788.06 × 50,406.92
4. Step 4: Simplify right side
   145,173.32x = 10,978,025,317.38
5. Step 5: Solve for x
   x = 10,978,025,317.38/145,173.32
6. Step 6: Final answer
   x = 75,620.13