Finding the Fourth Proportional to 9,390.88, 12,959.37 and 5,083.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,390.88 : 12,959.37 = 5,083.96 : x
2. Step 2: Convert to fraction form
   9,390.88/12,959.37 = 5,083.96/x
3. Step 3: Cross multiply
   9,390.88x = 12,959.37 × 5,083.96
4. Step 4: Simplify right side
   9,390.88x = 65,884,918.71
5. Step 5: Solve for x
   x = 65,884,918.71/9,390.88
6. Step 6: Final answer
   x = 7,015.84