Finding the Fourth Proportional to 9,179.19, 12,667.01 and 5,401.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,179.19 : 12,667.01 = 5,401.49 : x
2. Step 2: Convert to fraction form
   9,179.19/12,667.01 = 5,401.49/x
3. Step 3: Cross multiply
   9,179.19x = 12,667.01 × 5,401.49
4. Step 4: Simplify right side
   9,179.19x = 68,420,637.50
5. Step 5: Solve for x
   x = 68,420,637.50/9,179.19
6. Step 6: Final answer
   x = 7,453.89