Finding the Fourth Proportional to 3,763.45, 5,645.72 and 1,422.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,763.45 : 5,645.72 = 1,422.82 : x
2. Step 2: Convert to fraction form
   3,763.45/5,645.72 = 1,422.82/x
3. Step 3: Cross multiply
   3,763.45x = 5,645.72 × 1,422.82
4. Step 4: Simplify right side
   3,763.45x = 8,032,843.33
5. Step 5: Solve for x
   x = 8,032,843.33/3,763.45
6. Step 6: Final answer
   x = 2,134.44