Finding the Fourth Proportional to 2,909.47, 4,017.50 and 2,698.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909.47 : 4,017.50 = 2,698.42 : x
2. Step 2: Convert to fraction form
   2,909.47/4,017.50 = 2,698.42/x
3. Step 3: Cross multiply
   2,909.47x = 4,017.50 × 2,698.42
4. Step 4: Simplify right side
   2,909.47x = 10,840,902.35
5. Step 5: Solve for x
   x = 10,840,902.35/2,909.47
6. Step 6: Final answer
   x = 3,726.07