Finding the Fourth Proportional to 8,849.01, 12,206.56 and 5,531.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.01 : 12,206.56 = 5,531.25 : x
2. Step 2: Convert to fraction form
   8,849.01/12,206.56 = 5,531.25/x
3. Step 3: Cross multiply
   8,849.01x = 12,206.56 × 5,531.25
4. Step 4: Simplify right side
   8,849.01x = 67,517,507.34
5. Step 5: Solve for x
   x = 67,517,507.34/8,849.01
6. Step 6: Final answer
   x = 7,629.95