Finding the Fourth Proportional to 17,208.72, 23,752.72 and 10,137.44

Step by Step Solution

1. Step 1: Write the proportion equation
   17,208.72 : 23,752.72 = 10,137.44 : x
2. Step 2: Convert to fraction form
   17,208.72/23,752.72 = 10,137.44/x
3. Step 3: Cross multiply
   17,208.72x = 23,752.72 × 10,137.44
4. Step 4: Simplify right side
   17,208.72x = 240,791,773.84
5. Step 5: Solve for x
   x = 240,791,773.84/17,208.72
6. Step 6: Final answer
   x = 13,992.43