Finding the Fourth Proportional to 2,300.78, 3,448.42 and 1,603.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.78 : 3,448.42 = 1,603.67 : x
2. Step 2: Convert to fraction form
   2,300.78/3,448.42 = 1,603.67/x
3. Step 3: Cross multiply
   2,300.78x = 3,448.42 × 1,603.67
4. Step 4: Simplify right side
   2,300.78x = 5,530,127.70
5. Step 5: Solve for x
   x = 5,530,127.70/2,300.78
6. Step 6: Final answer
   x = 2,403.59