Finding the Fourth Proportional to 200,363.29, 276,501.32 and 109,724.78

Step by Step Solution

1. Step 1: Write the proportion equation
   200,363.29 : 276,501.32 = 109,724.78 : x
2. Step 2: Convert to fraction form
   200,363.29/276,501.32 = 109,724.78/x
3. Step 3: Cross multiply
   200,363.29x = 276,501.32 × 109,724.78
4. Step 4: Simplify right side
   200,363.29x = 30,339,045,958.09
5. Step 5: Solve for x
   x = 30,339,045,958.09/200,363.29
6. Step 6: Final answer
   x = 151,420.19