Finding the Fourth Proportional to 13,274.08, 18,317.69 and 7,823.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,274.08 : 18,317.69 = 7,823.09 : x
2. Step 2: Convert to fraction form
   13,274.08/18,317.69 = 7,823.09/x
3. Step 3: Cross multiply
   13,274.08x = 18,317.69 × 7,823.09
4. Step 4: Simplify right side
   13,274.08x = 143,300,937.46
5. Step 5: Solve for x
   x = 143,300,937.46/13,274.08
6. Step 6: Final answer
   x = 10,795.55