Finding the Fourth Proportional to 9,069.80, 12,516.38 and 5,091.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,069.80 : 12,516.38 = 5,091.27 : x
2. Step 2: Convert to fraction form
   9,069.80/12,516.38 = 5,091.27/x
3. Step 3: Cross multiply
   9,069.80x = 12,516.38 × 5,091.27
4. Step 4: Simplify right side
   9,069.80x = 63,724,244.55
5. Step 5: Solve for x
   x = 63,724,244.55/9,069.80
6. Step 6: Final answer
   x = 7,025.99