Finding the Fourth Proportional to 17,365.67, 23,964.17 and 9,812.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,365.67 : 23,964.17 = 9,812.78 : x
2. Step 2: Convert to fraction form
   17,365.67/23,964.17 = 9,812.78/x
3. Step 3: Cross multiply
   17,365.67x = 23,964.17 × 9,812.78
4. Step 4: Simplify right side
   17,365.67x = 235,155,128.09
5. Step 5: Solve for x
   x = 235,155,128.09/17,365.67
6. Step 6: Final answer
   x = 13,541.38