Finding the Fourth Proportional to 3,800.45, 5,698.78 and 2,300.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,800.45 : 5,698.78 = 2,300.96 : x
2. Step 2: Convert to fraction form
   3,800.45/5,698.78 = 2,300.96/x
3. Step 3: Cross multiply
   3,800.45x = 5,698.78 × 2,300.96
4. Step 4: Simplify right side
   3,800.45x = 13,112,673.32
5. Step 5: Solve for x
   x = 13,112,673.32/3,800.45
6. Step 6: Final answer
   x = 3,450.29