Finding the Fourth Proportional to 9,103.93, 12,536.98 and 7,908.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.93 : 12,536.98 = 7,908.37 : x
2. Step 2: Convert to fraction form
   9,103.93/12,536.98 = 7,908.37/x
3. Step 3: Cross multiply
   9,103.93x = 12,536.98 × 7,908.37
4. Step 4: Simplify right side
   9,103.93x = 99,147,076.52
5. Step 5: Solve for x
   x = 99,147,076.52/9,103.93
6. Step 6: Final answer
   x = 10,890.58