Finding the Fourth Proportional to 200,619, 276,854.22 and 111,195

Step by Step Solution

1. Step 1: Write the proportion equation
   200,619 : 276,854.22 = 111,195 : x
2. Step 2: Convert to fraction form
   200,619/276,854.22 = 111,195/x
3. Step 3: Cross multiply
   200,619x = 276,854.22 × 111,195
4. Step 4: Simplify right side
   200,619x = 30,784,804,992.90
5. Step 5: Solve for x
   x = 30,784,804,992.90/200,619
6. Step 6: Final answer
   x = 153,449.10