Finding the Fourth Proportional to 17,192.74, 23,724.74 and 10,118.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,192.74 : 23,724.74 = 10,118.20 : x
2. Step 2: Convert to fraction form
   17,192.74/23,724.74 = 10,118.20/x
3. Step 3: Cross multiply
   17,192.74x = 23,724.74 × 10,118.20
4. Step 4: Simplify right side
   17,192.74x = 240,051,664.27
5. Step 5: Solve for x
   x = 240,051,664.27/17,192.74
6. Step 6: Final answer
   x = 13,962.39