Finding the Fourth Proportional to 200,355.21, 276,493.59 and 109,709.73

Step by Step Solution

1. Step 1: Write the proportion equation
   200,355.21 : 276,493.59 = 109,709.73 : x
2. Step 2: Convert to fraction form
   200,355.21/276,493.59 = 109,709.73/x
3. Step 3: Cross multiply
   200,355.21x = 276,493.59 × 109,709.73
4. Step 4: Simplify right side
   200,355.21x = 30,334,037,105.63
5. Step 5: Solve for x
   x = 30,334,037,105.63/200,355.21
6. Step 6: Final answer
   x = 151,401.29