Finding the Fourth Proportional to 2,398.47, 3,603.15 and 2,070.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.47 : 3,603.15 = 2,070.42 : x
2. Step 2: Convert to fraction form
   2,398.47/3,603.15 = 2,070.42/x
3. Step 3: Cross multiply
   2,398.47x = 3,603.15 × 2,070.42
4. Step 4: Simplify right side
   2,398.47x = 7,460,033.82
5. Step 5: Solve for x
   x = 7,460,033.82/2,398.47
6. Step 6: Final answer
   x = 3,110.33