Finding the Fourth Proportional to 5,699.61, 8,538.06 and 3,745.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,699.61 : 8,538.06 = 3,745.89 : x
2. Step 2: Convert to fraction form
   5,699.61/8,538.06 = 3,745.89/x
3. Step 3: Cross multiply
   5,699.61x = 8,538.06 × 3,745.89
4. Step 4: Simplify right side
   5,699.61x = 31,982,633.57
5. Step 5: Solve for x
   x = 31,982,633.57/5,699.61
6. Step 6: Final answer
   x = 5,611.37