Finding the Fourth Proportional to 200,280.71, 276,379.04 and 109,634.42

Step by Step Solution

1. Step 1: Write the proportion equation
   200,280.71 : 276,379.04 = 109,634.42 : x
2. Step 2: Convert to fraction form
   200,280.71/276,379.04 = 109,634.42/x
3. Step 3: Cross multiply
   200,280.71x = 276,379.04 × 109,634.42
4. Step 4: Simplify right side
   200,280.71x = 30,300,655,750.56
5. Step 5: Solve for x
   x = 30,300,655,750.56/200,280.71
6. Step 6: Final answer
   x = 151,290.93