Finding the Fourth Proportional to 12,849.96, 17,732.59 and 7,184.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,849.96 : 17,732.59 = 7,184.72 : x
2. Step 2: Convert to fraction form
   12,849.96/17,732.59 = 7,184.72/x
3. Step 3: Cross multiply
   12,849.96x = 17,732.59 × 7,184.72
4. Step 4: Simplify right side
   12,849.96x = 127,403,620.65
5. Step 5: Solve for x
   x = 127,403,620.65/12,849.96
6. Step 6: Final answer
   x = 9,914.71