Finding the Fourth Proportional to 200,275.98, 300,423.18 and 111,462.57

Step by Step Solution

1. Step 1: Write the proportion equation
   200,275.98 : 300,423.18 = 111,462.57 : x
2. Step 2: Convert to fraction form
   200,275.98/300,423.18 = 111,462.57/x
3. Step 3: Cross multiply
   200,275.98x = 300,423.18 × 111,462.57
4. Step 4: Simplify right side
   200,275.98x = 33,485,939,730.37
5. Step 5: Solve for x
   x = 33,485,939,730.37/200,275.98
6. Step 6: Final answer
   x = 167,198.98