Finding the Fourth Proportional to 196,300.05, 270,895.37 and 111,418.53

Step by Step Solution

1. Step 1: Write the proportion equation
   196,300.05 : 270,895.37 = 111,418.53 : x
2. Step 2: Convert to fraction form
   196,300.05/270,895.37 = 111,418.53/x
3. Step 3: Cross multiply
   196,300.05x = 270,895.37 × 111,418.53
4. Step 4: Simplify right side
   196,300.05x = 30,182,763,352.11
5. Step 5: Solve for x
   x = 30,182,763,352.11/196,300.05
6. Step 6: Final answer
   x = 153,758.31