Finding the Fourth Proportional to 8,189.85, 11,300.54 and 7,069.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,189.85 : 11,300.54 = 7,069.62 : x
2. Step 2: Convert to fraction form
   8,189.85/11,300.54 = 7,069.62/x
3. Step 3: Cross multiply
   8,189.85x = 11,300.54 × 7,069.62
4. Step 4: Simplify right side
   8,189.85x = 79,890,488.25
5. Step 5: Solve for x
   x = 79,890,488.25/8,189.85
6. Step 6: Final answer
   x = 9,754.82