Finding the Fourth Proportional to 12,758.60, 17,606.82 and 7,169.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,758.60 : 17,606.82 = 7,169.56 : x
2. Step 2: Convert to fraction form
   12,758.60/17,606.82 = 7,169.56/x
3. Step 3: Cross multiply
   12,758.60x = 17,606.82 × 7,169.56
4. Step 4: Simplify right side
   12,758.60x = 126,233,152.40
5. Step 5: Solve for x
   x = 126,233,152.40/12,758.60
6. Step 6: Final answer
   x = 9,893.97