Finding the Fourth Proportional to 12,771.59, 17,624.63 and 7,182.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,771.59 : 17,624.63 = 7,182.59 : x
2. Step 2: Convert to fraction form
   12,771.59/17,624.63 = 7,182.59/x
3. Step 3: Cross multiply
   12,771.59x = 17,624.63 × 7,182.59
4. Step 4: Simplify right side
   12,771.59x = 126,590,455.28
5. Step 5: Solve for x
   x = 126,590,455.28/12,771.59
6. Step 6: Final answer
   x = 9,911.88