Finding the Fourth Proportional to 10,084.19, 15,112.41 and 5,143.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,084.19 : 15,112.41 = 5,143.43 : x
2. Step 2: Convert to fraction form
   10,084.19/15,112.41 = 5,143.43/x
3. Step 3: Cross multiply
   10,084.19x = 15,112.41 × 5,143.43
4. Step 4: Simplify right side
   10,084.19x = 77,729,598.04
5. Step 5: Solve for x
   x = 77,729,598.04/10,084.19
6. Step 6: Final answer
   x = 7,708.07