Finding the Fourth Proportional to 12,789.98, 17,636.06 and 8,757.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,789.98 : 17,636.06 = 8,757.46 : x
2. Step 2: Convert to fraction form
   12,789.98/17,636.06 = 8,757.46/x
3. Step 3: Cross multiply
   12,789.98x = 17,636.06 × 8,757.46
4. Step 4: Simplify right side
   12,789.98x = 154,447,133.95
5. Step 5: Solve for x
   x = 154,447,133.95/12,789.98
6. Step 6: Final answer
   x = 12,075.64