Finding the Fourth Proportional to 145,066.56, 217,522.37 and 50,272.43

Step by Step Solution

1. Step 1: Write the proportion equation
   145,066.56 : 217,522.37 = 50,272.43 : x
2. Step 2: Convert to fraction form
   145,066.56/217,522.37 = 50,272.43/x
3. Step 3: Cross multiply
   145,066.56x = 217,522.37 × 50,272.43
4. Step 4: Simplify right side
   145,066.56x = 10,935,376,780.29
5. Step 5: Solve for x
   x = 10,935,376,780.29/145,066.56
6. Step 6: Final answer
   x = 75,381.79