Finding the Fourth Proportional to 9,736.05, 13,433.31 and 5,486.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,736.05 : 13,433.31 = 5,486.25 : x
2. Step 2: Convert to fraction form
   9,736.05/13,433.31 = 5,486.25/x
3. Step 3: Cross multiply
   9,736.05x = 13,433.31 × 5,486.25
4. Step 4: Simplify right side
   9,736.05x = 73,698,496.99
5. Step 5: Solve for x
   x = 73,698,496.99/9,736.05
6. Step 6: Final answer
   x = 7,569.65