Finding the Fourth Proportional to 2,902.27, 4,353.39 and 1,053.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.27 : 4,353.39 = 1,053.37 : x
2. Step 2: Convert to fraction form
   2,902.27/4,353.39 = 1,053.37/x
3. Step 3: Cross multiply
   2,902.27x = 4,353.39 × 1,053.37
4. Step 4: Simplify right side
   2,902.27x = 4,585,730.42
5. Step 5: Solve for x
   x = 4,585,730.42/2,902.27
6. Step 6: Final answer
   x = 1,580.05