Finding the Fourth Proportional to 9,069.75, 12,518.42 and 5,535.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,069.75 : 12,518.42 = 5,535.92 : x
2. Step 2: Convert to fraction form
   9,069.75/12,518.42 = 5,535.92/x
3. Step 3: Cross multiply
   9,069.75x = 12,518.42 × 5,535.92
4. Step 4: Simplify right side
   9,069.75x = 69,300,975.26
5. Step 5: Solve for x
   x = 69,300,975.26/9,069.75
6. Step 6: Final answer
   x = 7,640.89