Finding the Fourth Proportional to 2,042.25, 3,063.69 and 1,002.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.25 : 3,063.69 = 1,002.21 : x
2. Step 2: Convert to fraction form
   2,042.25/3,063.69 = 1,002.21/x
3. Step 3: Cross multiply
   2,042.25x = 3,063.69 × 1,002.21
4. Step 4: Simplify right side
   2,042.25x = 3,070,460.75
5. Step 5: Solve for x
   x = 3,070,460.75/2,042.25
6. Step 6: Final answer
   x = 1,503.47