Finding the Fourth Proportional to 15,443.92, 23,147.25 and 7,112.53

Step by Step Solution

1. Step 1: Write the proportion equation
   15,443.92 : 23,147.25 = 7,112.53 : x
2. Step 2: Convert to fraction form
   15,443.92/23,147.25 = 7,112.53/x
3. Step 3: Cross multiply
   15,443.92x = 23,147.25 × 7,112.53
4. Step 4: Simplify right side
   15,443.92x = 164,635,510.04
5. Step 5: Solve for x
   x = 164,635,510.04/15,443.92
6. Step 6: Final answer
   x = 10,660.22