Finding the Fourth Proportional to 3,845.21, 5,763.25 and 1,763.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,845.21 : 5,763.25 = 1,763.47 : x
2. Step 2: Convert to fraction form
   3,845.21/5,763.25 = 1,763.47/x
3. Step 3: Cross multiply
   3,845.21x = 5,763.25 × 1,763.47
4. Step 4: Simplify right side
   3,845.21x = 10,163,327.89
5. Step 5: Solve for x
   x = 10,163,327.89/3,845.21
6. Step 6: Final answer
   x = 2,643.12