Finding the Fourth Proportional to 12,002.94, 16,556.77 and 7,747.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,002.94 : 16,556.77 = 7,747.32 : x
2. Step 2: Convert to fraction form
   12,002.94/16,556.77 = 7,747.32/x
3. Step 3: Cross multiply
   12,002.94x = 16,556.77 × 7,747.32
4. Step 4: Simplify right side
   12,002.94x = 128,270,595.36
5. Step 5: Solve for x
   x = 128,270,595.36/12,002.94
6. Step 6: Final answer
   x = 10,686.60