Finding the Fourth Proportional to 76,354.42, 105,413.25 and 50,854.18

Step by Step Solution

1. Step 1: Write the proportion equation
   76,354.42 : 105,413.25 = 50,854.18 : x
2. Step 2: Convert to fraction form
   76,354.42/105,413.25 = 50,854.18/x
3. Step 3: Cross multiply
   76,354.42x = 105,413.25 × 50,854.18
4. Step 4: Simplify right side
   76,354.42x = 5,360,704,389.89
5. Step 5: Solve for x
   x = 5,360,704,389.89/76,354.42
6. Step 6: Final answer
   x = 70,208.17