Finding the Fourth Proportional to 9,401.12, 12,972.02 and 5,625.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.12 : 12,972.02 = 5,625.84 : x
2. Step 2: Convert to fraction form
   9,401.12/12,972.02 = 5,625.84/x
3. Step 3: Cross multiply
   9,401.12x = 12,972.02 × 5,625.84
4. Step 4: Simplify right side
   9,401.12x = 72,978,480.87
5. Step 5: Solve for x
   x = 72,978,480.87/9,401.12
6. Step 6: Final answer
   x = 7,762.75