Finding the Fourth Proportional to 200,788.32, 277,087.98 and 111,364.32

Step by Step Solution

1. Step 1: Write the proportion equation
   200,788.32 : 277,087.98 = 111,364.32 : x
2. Step 2: Convert to fraction form
   200,788.32/277,087.98 = 111,364.32/x
3. Step 3: Cross multiply
   200,788.32x = 277,087.98 × 111,364.32
4. Step 4: Simplify right side
   200,788.32x = 30,857,714,472.87
5. Step 5: Solve for x
   x = 30,857,714,472.87/200,788.32
6. Step 6: Final answer
   x = 153,682.82