Finding the Fourth Proportional to 83,061.60, 124,443.90 and 50,544.60

Step by Step Solution

1. Step 1: Write the proportion equation
   83,061.60 : 124,443.90 = 50,544.60 : x
2. Step 2: Convert to fraction form
   83,061.60/124,443.90 = 50,544.60/x
3. Step 3: Cross multiply
   83,061.60x = 124,443.90 × 50,544.60
4. Step 4: Simplify right side
   83,061.60x = 6,289,967,147.94
5. Step 5: Solve for x
   x = 6,289,967,147.94/83,061.60
6. Step 6: Final answer
   x = 75,726.53