Finding the Fourth Proportional to 3,706.25, 5,085.39 and 3,671.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706.25 : 5,085.39 = 3,671.42 : x
2. Step 2: Convert to fraction form
   3,706.25/5,085.39 = 3,671.42/x
3. Step 3: Cross multiply
   3,706.25x = 5,085.39 × 3,671.42
4. Step 4: Simplify right side
   3,706.25x = 18,670,577.13
5. Step 5: Solve for x
   x = 18,670,577.13/3,706.25
6. Step 6: Final answer
   x = 5,037.60