Finding the Fourth Proportional to 76,335.86, 105,307.22 and 50,854.07

Step by Step Solution

1. Step 1: Write the proportion equation
   76,335.86 : 105,307.22 = 50,854.07 : x
2. Step 2: Convert to fraction form
   76,335.86/105,307.22 = 50,854.07/x
3. Step 3: Cross multiply
   76,335.86x = 105,307.22 × 50,854.07
4. Step 4: Simplify right side
   76,335.86x = 5,355,300,483.12
5. Step 5: Solve for x
   x = 5,355,300,483.12/76,335.86
6. Step 6: Final answer
   x = 70,154.45