Finding the Fourth Proportional to 5,850.61, 8,074.56 and 3,700.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,850.61 : 8,074.56 = 3,700.31 : x
2. Step 2: Convert to fraction form
   5,850.61/8,074.56 = 3,700.31/x
3. Step 3: Cross multiply
   5,850.61x = 8,074.56 × 3,700.31
4. Step 4: Simplify right side
   5,850.61x = 29,878,375.11
5. Step 5: Solve for x
   x = 29,878,375.11/5,850.61
6. Step 6: Final answer
   x = 5,106.88