Finding the Fourth Proportional to 154,499.82, 213,231.35 and 111,618.03

Step by Step Solution

1. Step 1: Write the proportion equation
   154,499.82 : 213,231.35 = 111,618.03 : x
2. Step 2: Convert to fraction form
   154,499.82/213,231.35 = 111,618.03/x
3. Step 3: Cross multiply
   154,499.82x = 213,231.35 × 111,618.03
4. Step 4: Simplify right side
   154,499.82x = 23,800,462,663.15
5. Step 5: Solve for x
   x = 23,800,462,663.15/154,499.82
6. Step 6: Final answer
   x = 154,048.48