Finding the Fourth Proportional to 9,401.08, 12,972.54 and 5,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.08 : 12,972.54 = 5,623.50 : x
2. Step 2: Convert to fraction form
   9,401.08/12,972.54 = 5,623.50/x
3. Step 3: Cross multiply
   9,401.08x = 12,972.54 × 5,623.50
4. Step 4: Simplify right side
   9,401.08x = 72,951,078.69
5. Step 5: Solve for x
   x = 72,951,078.69/9,401.08
6. Step 6: Final answer
   x = 7,759.86