Finding the Fourth Proportional to 200,477.25, 276,658.61 and 111,053.25

Step by Step Solution

1. Step 1: Write the proportion equation
   200,477.25 : 276,658.61 = 111,053.25 : x
2. Step 2: Convert to fraction form
   200,477.25/276,658.61 = 111,053.25/x
3. Step 3: Cross multiply
   200,477.25x = 276,658.61 × 111,053.25
4. Step 4: Simplify right side
   200,477.25x = 30,723,837,225.72
5. Step 5: Solve for x
   x = 30,723,837,225.72/200,477.25
6. Step 6: Final answer
   x = 153,253.49