Finding the Fourth Proportional to 200,299.27, 276,412.56 and 109,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,299.27 : 276,412.56 = 109,654.50 : x
2. Step 2: Convert to fraction form
   200,299.27/276,412.56 = 109,654.50/x
3. Step 3: Cross multiply
   200,299.27x = 276,412.56 × 109,654.50
4. Step 4: Simplify right side
   200,299.27x = 30,309,881,060.52
5. Step 5: Solve for x
   x = 30,309,881,060.52/200,299.27
6. Step 6: Final answer
   x = 151,322.97