Finding the Fourth Proportional to 3,374.27, 5,061.33 and 909.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,374.27 : 5,061.33 = 909.12 : x
2. Step 2: Convert to fraction form
   3,374.27/5,061.33 = 909.12/x
3. Step 3: Cross multiply
   3,374.27x = 5,061.33 × 909.12
4. Step 4: Simplify right side
   3,374.27x = 4,601,375.31
5. Step 5: Solve for x
   x = 4,601,375.31/3,374.27
6. Step 6: Final answer
   x = 1,363.67