Finding the Fourth Proportional to 8,402.00, 12,605.82 and 3,721.35

Step by Step Solution

1. Step 1: Write the proportion equation
   8,402.00 : 12,605.82 = 3,721.35 : x
2. Step 2: Convert to fraction form
   8,402.00/12,605.82 = 3,721.35/x
3. Step 3: Cross multiply
   8,402.00x = 12,605.82 × 3,721.35
4. Step 4: Simplify right side
   8,402.00x = 46,910,668.26
5. Step 5: Solve for x
   x = 46,910,668.26/8,402.00
6. Step 6: Final answer
   x = 5,583.28