Finding the Fourth Proportional to 17,139.63, 23,652.88 and 10,066.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139.63 : 23,652.88 = 10,066.17 : x
2. Step 2: Convert to fraction form
   17,139.63/23,652.88 = 10,066.17/x
3. Step 3: Cross multiply
   17,139.63x = 23,652.88 × 10,066.17
4. Step 4: Simplify right side
   17,139.63x = 238,093,919.87
5. Step 5: Solve for x
   x = 238,093,919.87/17,139.63
6. Step 6: Final answer
   x = 13,891.43