Finding the Fourth Proportional to 99,162, 136,843.56 and 54,452.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,162 : 136,843.56 = 54,452.88 : x
2. Step 2: Convert to fraction form
   99,162/136,843.56 = 54,452.88/x
3. Step 3: Cross multiply
   99,162x = 136,843.56 × 54,452.88
4. Step 4: Simplify right side
   99,162x = 7,451,525,951.45
5. Step 5: Solve for x
   x = 7,451,525,951.45/99,162
6. Step 6: Final answer
   x = 75,144.97