Finding the Fourth Proportional to 12,796.85, 17,659.82 and 7,131.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.85 : 17,659.82 = 7,131.44 : x
2. Step 2: Convert to fraction form
   12,796.85/17,659.82 = 7,131.44/x
3. Step 3: Cross multiply
   12,796.85x = 17,659.82 × 7,131.44
4. Step 4: Simplify right side
   12,796.85x = 125,939,876.27
5. Step 5: Solve for x
   x = 125,939,876.27/12,796.85
6. Step 6: Final answer
   x = 9,841.48