Finding the Fourth Proportional to 76,116.50, 105,005.72 and 49,267.62

Step by Step Solution

1. Step 1: Write the proportion equation
   76,116.50 : 105,005.72 = 49,267.62 : x
2. Step 2: Convert to fraction form
   76,116.50/105,005.72 = 49,267.62/x
3. Step 3: Cross multiply
   76,116.50x = 105,005.72 × 49,267.62
4. Step 4: Simplify right side
   76,116.50x = 5,173,381,664.45
5. Step 5: Solve for x
   x = 5,173,381,664.45/76,116.50
6. Step 6: Final answer
   x = 67,966.63