Finding the Fourth Proportional to 50,719.30, 75,906.15 and 50,719.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50,719.30 : 75,906.15 = 50,719.30 : x
2. Step 2: Convert to fraction form
   50,719.30/75,906.15 = 50,719.30/x
3. Step 3: Cross multiply
   50,719.30x = 75,906.15 × 50,719.30
4. Step 4: Simplify right side
   50,719.30x = 3,849,906,793.70
5. Step 5: Solve for x
   x = 3,849,906,793.70/50,719.30
6. Step 6: Final answer
   x = 75,906.15