Finding the Fourth Proportional to 2,034.72, 2,808.15 and 1,909.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.72 : 2,808.15 = 1,909.62 : x
2. Step 2: Convert to fraction form
   2,034.72/2,808.15 = 1,909.62/x
3. Step 3: Cross multiply
   2,034.72x = 2,808.15 × 1,909.62
4. Step 4: Simplify right side
   2,034.72x = 5,362,499.40
5. Step 5: Solve for x
   x = 5,362,499.40/2,034.72
6. Step 6: Final answer
   x = 2,635.50