Finding the Fourth Proportional to 9,606.84, 13,259.25 and 5,415.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,606.84 : 13,259.25 = 5,415.09 : x
2. Step 2: Convert to fraction form
   9,606.84/13,259.25 = 5,415.09/x
3. Step 3: Cross multiply
   9,606.84x = 13,259.25 × 5,415.09
4. Step 4: Simplify right side
   9,606.84x = 71,800,032.08
5. Step 5: Solve for x
   x = 71,800,032.08/9,606.84
6. Step 6: Final answer
   x = 7,473.84