Finding the Fourth Proportional to 17,139.68, 23,653 and 10,066.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139.68 : 23,653 = 10,066.24 : x
2. Step 2: Convert to fraction form
   17,139.68/23,653 = 10,066.24/x
3. Step 3: Cross multiply
   17,139.68x = 23,653 × 10,066.24
4. Step 4: Simplify right side
   17,139.68x = 238,096,774.72
5. Step 5: Solve for x
   x = 238,096,774.72/17,139.68
6. Step 6: Final answer
   x = 13,891.55