Finding the Fourth Proportional to 76,695.57, 105,802.74 and 49,464.45

Step by Step Solution

1. Step 1: Write the proportion equation
   76,695.57 : 105,802.74 = 49,464.45 : x
2. Step 2: Convert to fraction form
   76,695.57/105,802.74 = 49,464.45/x
3. Step 3: Cross multiply
   76,695.57x = 105,802.74 × 49,464.45
4. Step 4: Simplify right side
   76,695.57x = 5,233,474,342.59
5. Step 5: Solve for x
   x = 5,233,474,342.59/76,695.57
6. Step 6: Final answer
   x = 68,236.98