Finding the Fourth Proportional to 200,298.27, 276,411.18 and 109,653.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,298.27 : 276,411.18 = 109,653.50 : x
2. Step 2: Convert to fraction form
   200,298.27/276,411.18 = 109,653.50/x
3. Step 3: Cross multiply
   200,298.27x = 276,411.18 × 109,653.50
4. Step 4: Simplify right side
   200,298.27x = 30,309,452,873.55
5. Step 5: Solve for x
   x = 30,309,452,873.55/200,298.27
6. Step 6: Final answer
   x = 151,321.59