Finding the Fourth Proportional to 11,786.49, 16,264.35 and 7,069.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,786.49 : 16,264.35 = 7,069.86 : x
2. Step 2: Convert to fraction form
   11,786.49/16,264.35 = 7,069.86/x
3. Step 3: Cross multiply
   11,786.49x = 16,264.35 × 7,069.86
4. Step 4: Simplify right side
   11,786.49x = 114,986,677.49
5. Step 5: Solve for x
   x = 114,986,677.49/11,786.49
6. Step 6: Final answer
   x = 9,755.80