Finding the Fourth Proportional to 200,363.78, 276,498.37 and 109,718.08

Step by Step Solution

1. Step 1: Write the proportion equation
   200,363.78 : 276,498.37 = 109,718.08 : x
2. Step 2: Convert to fraction form
   200,363.78/276,498.37 = 109,718.08/x
3. Step 3: Cross multiply
   200,363.78x = 276,498.37 × 109,718.08
4. Step 4: Simplify right side
   200,363.78x = 30,336,870,279.53
5. Step 5: Solve for x
   x = 30,336,870,279.53/200,363.78
6. Step 6: Final answer
   x = 151,408.95