Finding the Fourth Proportional to 17,215, 23,760.75 and 10,506.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,215 : 23,760.75 = 10,506.18 : x
2. Step 2: Convert to fraction form
   17,215/23,760.75 = 10,506.18/x
3. Step 3: Cross multiply
   17,215x = 23,760.75 × 10,506.18
4. Step 4: Simplify right side
   17,215x = 249,634,597.63
5. Step 5: Solve for x
   x = 249,634,597.63/17,215
6. Step 6: Final answer
   x = 14,500.99