Finding the Fourth Proportional to 12,799.26, 17,662.35 and 7,134.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,799.26 : 17,662.35 = 7,134.62 : x
2. Step 2: Convert to fraction form
   12,799.26/17,662.35 = 7,134.62/x
3. Step 3: Cross multiply
   12,799.26x = 17,662.35 × 7,134.62
4. Step 4: Simplify right side
   12,799.26x = 126,014,199.71
5. Step 5: Solve for x
   x = 126,014,199.71/12,799.26
6. Step 6: Final answer
   x = 9,845.43