Finding the Fourth Proportional to 200,653.27, 276,929.69 and 124,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   200,653.27 : 276,929.69 = 124,196.76 : x
2. Step 2: Convert to fraction form
   200,653.27/276,929.69 = 124,196.76/x
3. Step 3: Cross multiply
   200,653.27x = 276,929.69 × 124,196.76
4. Step 4: Simplify right side
   200,653.27x = 34,393,769,624.82
5. Step 5: Solve for x
   x = 34,393,769,624.82/200,653.27
6. Step 6: Final answer
   x = 171,408.97