Finding the Fourth Proportional to 6,004.21, 8,287.57 and 3,487.45

Step by Step Solution

1. Step 1: Write the proportion equation
   6,004.21 : 8,287.57 = 3,487.45 : x
2. Step 2: Convert to fraction form
   6,004.21/8,287.57 = 3,487.45/x
3. Step 3: Cross multiply
   6,004.21x = 8,287.57 × 3,487.45
4. Step 4: Simplify right side
   6,004.21x = 28,902,506.72
5. Step 5: Solve for x
   x = 28,902,506.72/6,004.21
6. Step 6: Final answer
   x = 4,813.71