Finding the Fourth Proportional to 200,300.72, 276,415.68 and 109,657.52

Step by Step Solution

1. Step 1: Write the proportion equation
   200,300.72 : 276,415.68 = 109,657.52 : x
2. Step 2: Convert to fraction form
   200,300.72/276,415.68 = 109,657.52/x
3. Step 3: Cross multiply
   200,300.72x = 276,415.68 × 109,657.52
4. Step 4: Simplify right side
   200,300.72x = 30,311,057,957.91
5. Step 5: Solve for x
   x = 30,311,057,957.91/200,300.72
6. Step 6: Final answer
   x = 151,327.75