Finding the Fourth Proportional to 5,806.53, 8,019.54 and 3,925.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,806.53 : 8,019.54 = 3,925.89 : x
2. Step 2: Convert to fraction form
   5,806.53/8,019.54 = 3,925.89/x
3. Step 3: Cross multiply
   5,806.53x = 8,019.54 × 3,925.89
4. Step 4: Simplify right side
   5,806.53x = 31,483,831.89
5. Step 5: Solve for x
   x = 31,483,831.89/5,806.53
6. Step 6: Final answer
   x = 5,422.14