Finding the Fourth Proportional to 5,487.84, 8,233.59 and 3,646.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,487.84 : 8,233.59 = 3,646.20 : x
2. Step 2: Convert to fraction form
   5,487.84/8,233.59 = 3,646.20/x
3. Step 3: Cross multiply
   5,487.84x = 8,233.59 × 3,646.20
4. Step 4: Simplify right side
   5,487.84x = 30,021,315.86
5. Step 5: Solve for x
   x = 30,021,315.86/5,487.84
6. Step 6: Final answer
   x = 5,470.52