Finding the Fourth Proportional to 5,587.47, 8,368.90 and 3,729.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,587.47 : 8,368.90 = 3,729.89 : x
2. Step 2: Convert to fraction form
   5,587.47/8,368.90 = 3,729.89/x
3. Step 3: Cross multiply
   5,587.47x = 8,368.90 × 3,729.89
4. Step 4: Simplify right side
   5,587.47x = 31,215,025.25
5. Step 5: Solve for x
   x = 31,215,025.25/5,587.47
6. Step 6: Final answer
   x = 5,586.61