Finding the Fourth Proportional to 3,745.39, 5,618.06 and 971.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,745.39 : 5,618.06 = 971.82 : x
2. Step 2: Convert to fraction form
   3,745.39/5,618.06 = 971.82/x
3. Step 3: Cross multiply
   3,745.39x = 5,618.06 × 971.82
4. Step 4: Simplify right side
   3,745.39x = 5,459,743.07
5. Step 5: Solve for x
   x = 5,459,743.07/3,745.39
6. Step 6: Final answer
   x = 1,457.72