Finding the Fourth Proportional to 76,835.97, 105,967.35 and 49,968.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,835.97 : 105,967.35 = 49,968.72 : x
2. Step 2: Convert to fraction form
   76,835.97/105,967.35 = 49,968.72/x
3. Step 3: Cross multiply
   76,835.97x = 105,967.35 × 49,968.72
4. Step 4: Simplify right side
   76,835.97x = 5,295,052,841.29
5. Step 5: Solve for x
   x = 5,295,052,841.29/76,835.97
6. Step 6: Final answer
   x = 68,913.72