Finding the Fourth Proportional to 3,274.33, 4,911.90 and 1,053.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,274.33 : 4,911.90 = 1,053.31 : x
2. Step 2: Convert to fraction form
   3,274.33/4,911.90 = 1,053.31/x
3. Step 3: Cross multiply
   3,274.33x = 4,911.90 × 1,053.31
4. Step 4: Simplify right side
   3,274.33x = 5,173,728.83
5. Step 5: Solve for x
   x = 5,173,728.83/3,274.33
6. Step 6: Final answer
   x = 1,580.09