Finding the Fourth Proportional to 276,111.98, 414,121.83 and 76,452.55

Step by Step Solution

1. Step 1: Write the proportion equation
   276,111.98 : 414,121.83 = 76,452.55 : x
2. Step 2: Convert to fraction form
   276,111.98/414,121.83 = 76,452.55/x
3. Step 3: Cross multiply
   276,111.98x = 414,121.83 × 76,452.55
4. Step 4: Simplify right side
   276,111.98x = 31,660,669,914.17
5. Step 5: Solve for x
   x = 31,660,669,914.17/276,111.98
6. Step 6: Final answer
   x = 114,666.05