Finding the Fourth Proportional to 17,288.77, 23,858.81 and 10,215.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,288.77 : 23,858.81 = 10,215.18 : x
2. Step 2: Convert to fraction form
   17,288.77/23,858.81 = 10,215.18/x
3. Step 3: Cross multiply
   17,288.77x = 23,858.81 × 10,215.18
4. Step 4: Simplify right side
   17,288.77x = 243,722,038.74
5. Step 5: Solve for x
   x = 243,722,038.74/17,288.77
6. Step 6: Final answer
   x = 14,097.13