Finding the Fourth Proportional to 12,849.84, 17,733.12 and 7,184.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,849.84 : 17,733.12 = 7,184.40 : x
2. Step 2: Convert to fraction form
   12,849.84/17,733.12 = 7,184.40/x
3. Step 3: Cross multiply
   12,849.84x = 17,733.12 × 7,184.40
4. Step 4: Simplify right side
   12,849.84x = 127,401,827.33
5. Step 5: Solve for x
   x = 127,401,827.33/12,849.84
6. Step 6: Final answer
   x = 9,914.66