Finding the Fourth Proportional to 10,850.15, 16,272.79 and 5,300.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,850.15 : 16,272.79 = 5,300.03 : x
2. Step 2: Convert to fraction form
   10,850.15/16,272.79 = 5,300.03/x
3. Step 3: Cross multiply
   10,850.15x = 16,272.79 × 5,300.03
4. Step 4: Simplify right side
   10,850.15x = 86,246,275.18
5. Step 5: Solve for x
   x = 86,246,275.18/10,850.15
6. Step 6: Final answer
   x = 7,948.86