Finding the Fourth Proportional to 10,833.36, 16,238.40 and 5,274.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,833.36 : 16,238.40 = 5,274.24 : x
2. Step 2: Convert to fraction form
   10,833.36/16,238.40 = 5,274.24/x
3. Step 3: Cross multiply
   10,833.36x = 16,238.40 × 5,274.24
4. Step 4: Simplify right side
   10,833.36x = 85,645,218.82
5. Step 5: Solve for x
   x = 85,645,218.82/10,833.36
6. Step 6: Final answer
   x = 7,905.69