Finding the Fourth Proportional to 76,111.37, 105,035.40 and 49,300.54

Step by Step Solution

1. Step 1: Write the proportion equation
   76,111.37 : 105,035.40 = 49,300.54 : x
2. Step 2: Convert to fraction form
   76,111.37/105,035.40 = 49,300.54/x
3. Step 3: Cross multiply
   76,111.37x = 105,035.40 × 49,300.54
4. Step 4: Simplify right side
   76,111.37x = 5,178,302,297.49
5. Step 5: Solve for x
   x = 5,178,302,297.49/76,111.37
6. Step 6: Final answer
   x = 68,035.86