Finding the Fourth Proportional to 3,375.09, 5,061.93 and 909.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,375.09 : 5,061.93 = 909.33 : x
2. Step 2: Convert to fraction form
   3,375.09/5,061.93 = 909.33/x
3. Step 3: Cross multiply
   3,375.09x = 5,061.93 × 909.33
4. Step 4: Simplify right side
   3,375.09x = 4,602,964.81
5. Step 5: Solve for x
   x = 4,602,964.81/3,375.09
6. Step 6: Final answer
   x = 1,363.81