Finding the Fourth Proportional to 17,139.36, 23,659.98 and 10,066.23

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139.36 : 23,659.98 = 10,066.23 : x
2. Step 2: Convert to fraction form
   17,139.36/23,659.98 = 10,066.23/x
3. Step 3: Cross multiply
   17,139.36x = 23,659.98 × 10,066.23
4. Step 4: Simplify right side
   17,139.36x = 238,166,800.48
5. Step 5: Solve for x
   x = 238,166,800.48/17,139.36
6. Step 6: Final answer
   x = 13,895.90