Finding the Fourth Proportional to 12,799.42, 17,662.93 and 7,134.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,799.42 : 17,662.93 = 7,134.14 : x
2. Step 2: Convert to fraction form
   12,799.42/17,662.93 = 7,134.14/x
3. Step 3: Cross multiply
   12,799.42x = 17,662.93 × 7,134.14
4. Step 4: Simplify right side
   12,799.42x = 126,009,890.58
5. Step 5: Solve for x
   x = 126,009,890.58/12,799.42
6. Step 6: Final answer
   x = 9,844.97