Finding the Fourth Proportional to 16,724.61, 23,075.42 and 10,004.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,724.61 : 23,075.42 = 10,004.31 : x
2. Step 2: Convert to fraction form
   16,724.61/23,075.42 = 10,004.31/x
3. Step 3: Cross multiply
   16,724.61x = 23,075.42 × 10,004.31
4. Step 4: Simplify right side
   16,724.61x = 230,853,605.04
5. Step 5: Solve for x
   x = 230,853,605.04/16,724.61
6. Step 6: Final answer
   x = 13,803.23