Finding the Fourth Proportional to 3,375.34, 5,062.40 and 909.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,375.34 : 5,062.40 = 909.59 : x
2. Step 2: Convert to fraction form
   3,375.34/5,062.40 = 909.59/x
3. Step 3: Cross multiply
   3,375.34x = 5,062.40 × 909.59
4. Step 4: Simplify right side
   3,375.34x = 4,604,708.42
5. Step 5: Solve for x
   x = 4,604,708.42/3,375.34
6. Step 6: Final answer
   x = 1,364.22