Finding the Fourth Proportional to 2,148.03, 3,225.32 and 2,042.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.03 : 3,225.32 = 2,042.31 : x
2. Step 2: Convert to fraction form
   2,148.03/3,225.32 = 2,042.31/x
3. Step 3: Cross multiply
   2,148.03x = 3,225.32 × 2,042.31
4. Step 4: Simplify right side
   2,148.03x = 6,587,103.29
5. Step 5: Solve for x
   x = 6,587,103.29/2,148.03
6. Step 6: Final answer
   x = 3,066.58