Finding the Fourth Proportional to 200,428.83, 276,591.72 and 109,790.46

Step by Step Solution

1. Step 1: Write the proportion equation
   200,428.83 : 276,591.72 = 109,790.46 : x
2. Step 2: Convert to fraction form
   200,428.83/276,591.72 = 109,790.46/x
3. Step 3: Cross multiply
   200,428.83x = 276,591.72 × 109,790.46
4. Step 4: Simplify right side
   200,428.83x = 30,367,132,170.99
5. Step 5: Solve for x
   x = 30,367,132,170.99/200,428.83
6. Step 6: Final answer
   x = 151,510.80