Finding the Fourth Proportional to 76,200.50, 105,132.39 and 49,363.58

Step by Step Solution

1. Step 1: Write the proportion equation
   76,200.50 : 105,132.39 = 49,363.58 : x
2. Step 2: Convert to fraction form
   76,200.50/105,132.39 = 49,363.58/x
3. Step 3: Cross multiply
   76,200.50x = 105,132.39 × 49,363.58
4. Step 4: Simplify right side
   76,200.50x = 5,189,711,144.36
5. Step 5: Solve for x
   x = 5,189,711,144.36/76,200.50
6. Step 6: Final answer
   x = 68,106.00