Finding the Fourth Proportional to 103,748.43, 155,510.56 and 50,327.31

Step by Step Solution

1. Step 1: Write the proportion equation
   103,748.43 : 155,510.56 = 50,327.31 : x
2. Step 2: Convert to fraction form
   103,748.43/155,510.56 = 50,327.31/x
3. Step 3: Cross multiply
   103,748.43x = 155,510.56 × 50,327.31
4. Step 4: Simplify right side
   103,748.43x = 7,826,428,161.39
5. Step 5: Solve for x
   x = 7,826,428,161.39/103,748.43
6. Step 6: Final answer
   x = 75,436.59