Finding the Fourth Proportional to 3,705.75, 5,538.17 and 2,971.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.75 : 5,538.17 = 2,971.89 : x
2. Step 2: Convert to fraction form
   3,705.75/5,538.17 = 2,971.89/x
3. Step 3: Cross multiply
   3,705.75x = 5,538.17 × 2,971.89
4. Step 4: Simplify right side
   3,705.75x = 16,458,839.47
5. Step 5: Solve for x
   x = 16,458,839.47/3,705.75
6. Step 6: Final answer
   x = 4,441.43