Finding the Fourth Proportional to 103,144.56, 154,746.12 and 50,569.20

Step by Step Solution

1. Step 1: Write the proportion equation
   103,144.56 : 154,746.12 = 50,569.20 : x
2. Step 2: Convert to fraction form
   103,144.56/154,746.12 = 50,569.20/x
3. Step 3: Cross multiply
   103,144.56x = 154,746.12 × 50,569.20
4. Step 4: Simplify right side
   103,144.56x = 7,825,387,491.50
5. Step 5: Solve for x
   x = 7,825,387,491.50/103,144.56
6. Step 6: Final answer
   x = 75,868.16