Finding the Fourth Proportional to 3,375.83, 5,063.38 and 910.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,375.83 : 5,063.38 = 910.49 : x
2. Step 2: Convert to fraction form
   3,375.83/5,063.38 = 910.49/x
3. Step 3: Cross multiply
   3,375.83x = 5,063.38 × 910.49
4. Step 4: Simplify right side
   3,375.83x = 4,610,152.30
5. Step 5: Solve for x
   x = 4,610,152.30/3,375.83
6. Step 6: Final answer
   x = 1,365.64