Finding the Fourth Proportional to 200,480.72, 276,663.24 and 109,842.35

Step by Step Solution

1. Step 1: Write the proportion equation
   200,480.72 : 276,663.24 = 109,842.35 : x
2. Step 2: Convert to fraction form
   200,480.72/276,663.24 = 109,842.35/x
3. Step 3: Cross multiply
   200,480.72x = 276,663.24 × 109,842.35
4. Step 4: Simplify right side
   200,480.72x = 30,389,339,056.90
5. Step 5: Solve for x
   x = 30,389,339,056.90/200,480.72
6. Step 6: Final answer
   x = 151,582.36