Finding the Fourth Proportional to 2,846.45, 3,925.54 and 2,428.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.45 : 3,925.54 = 2,428.31 : x
2. Step 2: Convert to fraction form
   2,846.45/3,925.54 = 2,428.31/x
3. Step 3: Cross multiply
   2,846.45x = 3,925.54 × 2,428.31
4. Step 4: Simplify right side
   2,846.45x = 9,532,428.04
5. Step 5: Solve for x
   x = 9,532,428.04/2,846.45
6. Step 6: Final answer
   x = 3,348.88