Finding the Fourth Proportional to 9,401.82, 12,971.08 and 5,625.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.82 : 12,971.08 = 5,625.09 : x
2. Step 2: Convert to fraction form
   9,401.82/12,971.08 = 5,625.09/x
3. Step 3: Cross multiply
   9,401.82x = 12,971.08 × 5,625.09
4. Step 4: Simplify right side
   9,401.82x = 72,963,492.40
5. Step 5: Solve for x
   x = 72,963,492.40/9,401.82
6. Step 6: Final answer
   x = 7,760.57