Finding the Fourth Proportional to 50,144.50, 75,251.31 and 17,312.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,144.50 : 75,251.31 = 17,312.50 : x
2. Step 2: Convert to fraction form
   50,144.50/75,251.31 = 17,312.50/x
3. Step 3: Cross multiply
   50,144.50x = 75,251.31 × 17,312.50
4. Step 4: Simplify right side
   50,144.50x = 1,302,788,304.38
5. Step 5: Solve for x
   x = 1,302,788,304.38/50,144.50
6. Step 6: Final answer
   x = 25,980.68