Finding the Fourth Proportional to 3,643.17, 5,026.12 and 2,049.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643.17 : 5,026.12 = 2,049.45 : x
2. Step 2: Convert to fraction form
   3,643.17/5,026.12 = 2,049.45/x
3. Step 3: Cross multiply
   3,643.17x = 5,026.12 × 2,049.45
4. Step 4: Simplify right side
   3,643.17x = 10,300,781.63
5. Step 5: Solve for x
   x = 10,300,781.63/3,643.17
6. Step 6: Final answer
   x = 2,827.42