Finding the Fourth Proportional to 2,902.43, 4,353.89 and 928.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.43 : 4,353.89 = 928.34 : x
2. Step 2: Convert to fraction form
   2,902.43/4,353.89 = 928.34/x
3. Step 3: Cross multiply
   2,902.43x = 4,353.89 × 928.34
4. Step 4: Simplify right side
   2,902.43x = 4,041,890.24
5. Step 5: Solve for x
   x = 4,041,890.24/2,902.43
6. Step 6: Final answer
   x = 1,392.59