Finding the Fourth Proportional to 16,686.04, 25,011.61 and 5,583.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,686.04 : 25,011.61 = 5,583.60 : x
2. Step 2: Convert to fraction form
   16,686.04/25,011.61 = 5,583.60/x
3. Step 3: Cross multiply
   16,686.04x = 25,011.61 × 5,583.60
4. Step 4: Simplify right side
   16,686.04x = 139,654,825.60
5. Step 5: Solve for x
   x = 139,654,825.60/16,686.04
6. Step 6: Final answer
   x = 8,369.56