Finding the Fourth Proportional to 9,069.10, 13,609.42 and 4,911.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,069.10 : 13,609.42 = 4,911.98 : x
2. Step 2: Convert to fraction form
   9,069.10/13,609.42 = 4,911.98/x
3. Step 3: Cross multiply
   9,069.10x = 13,609.42 × 4,911.98
4. Step 4: Simplify right side
   9,069.10x = 66,849,118.52
5. Step 5: Solve for x
   x = 66,849,118.52/9,069.10
6. Step 6: Final answer
   x = 7,371.09