Finding the Fourth Proportional to 200,155.80, 276,212.52 and 109,510.62

Step by Step Solution

1. Step 1: Write the proportion equation
   200,155.80 : 276,212.52 = 109,510.62 : x
2. Step 2: Convert to fraction form
   200,155.80/276,212.52 = 109,510.62/x
3. Step 3: Cross multiply
   200,155.80x = 276,212.52 × 109,510.62
4. Step 4: Simplify right side
   200,155.80x = 30,248,204,316.96
5. Step 5: Solve for x
   x = 30,248,204,316.96/200,155.80
6. Step 6: Final answer
   x = 151,123.30