Finding the Fourth Proportional to 3,276.33, 4,914.90 and 1,055.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276.33 : 4,914.90 = 1,055.31 : x
2. Step 2: Convert to fraction form
   3,276.33/4,914.90 = 1,055.31/x
3. Step 3: Cross multiply
   3,276.33x = 4,914.90 × 1,055.31
4. Step 4: Simplify right side
   3,276.33x = 5,186,713.27
5. Step 5: Solve for x
   x = 5,186,713.27/3,276.33
6. Step 6: Final answer
   x = 1,583.09