Finding the Fourth Proportional to 2,925.34, 4,389.05 and 1,828.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,925.34 : 4,389.05 = 1,828.42 : x
2. Step 2: Convert to fraction form
   2,925.34/4,389.05 = 1,828.42/x
3. Step 3: Cross multiply
   2,925.34x = 4,389.05 × 1,828.42
4. Step 4: Simplify right side
   2,925.34x = 8,025,026.80
5. Step 5: Solve for x
   x = 8,025,026.80/2,925.34
6. Step 6: Final answer
   x = 2,743.28