Finding the Fourth Proportional to 200,520.80, 276,718.76 and 109,876.02

Step by Step Solution

1. Step 1: Write the proportion equation
   200,520.80 : 276,718.76 = 109,876.02 : x
2. Step 2: Convert to fraction form
   200,520.80/276,718.76 = 109,876.02/x
3. Step 3: Cross multiply
   200,520.80x = 276,718.76 × 109,876.02
4. Step 4: Simplify right side
   200,520.80x = 30,404,756,008.14
5. Step 5: Solve for x
   x = 30,404,756,008.14/200,520.80
6. Step 6: Final answer
   x = 151,628.94