Finding the Fourth Proportional to 76,159.76, 105,085.88 and 49,298.54

Step by Step Solution

1. Step 1: Write the proportion equation
   76,159.76 : 105,085.88 = 49,298.54 : x
2. Step 2: Convert to fraction form
   76,159.76/105,085.88 = 49,298.54/x
3. Step 3: Cross multiply
   76,159.76x = 105,085.88 × 49,298.54
4. Step 4: Simplify right side
   76,159.76x = 5,180,580,458.62
5. Step 5: Solve for x
   x = 5,180,580,458.62/76,159.76
6. Step 6: Final answer
   x = 68,022.54