Finding the Fourth Proportional to 9,270.29, 13,892.43 and 5,112.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,270.29 : 13,892.43 = 5,112.24 : x
2. Step 2: Convert to fraction form
   9,270.29/13,892.43 = 5,112.24/x
3. Step 3: Cross multiply
   9,270.29x = 13,892.43 × 5,112.24
4. Step 4: Simplify right side
   9,270.29x = 71,021,436.34
5. Step 5: Solve for x
   x = 71,021,436.34/9,270.29
6. Step 6: Final answer
   x = 7,661.19