Finding the Fourth Proportional to 9,069.89, 12,513.62 and 5,531.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,069.89 : 12,513.62 = 5,531.81 : x
2. Step 2: Convert to fraction form
   9,069.89/12,513.62 = 5,531.81/x
3. Step 3: Cross multiply
   9,069.89x = 12,513.62 × 5,531.81
4. Step 4: Simplify right side
   9,069.89x = 69,222,919.51
5. Step 5: Solve for x
   x = 69,222,919.51/9,069.89
6. Step 6: Final answer
   x = 7,632.17