Finding the Fourth Proportional to 12,117, 18,164.16 and 11,034.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,117 : 18,164.16 = 11,034.84 : x
2. Step 2: Convert to fraction form
   12,117/18,164.16 = 11,034.84/x
3. Step 3: Cross multiply
   12,117x = 18,164.16 × 11,034.84
4. Step 4: Simplify right side
   12,117x = 200,438,599.33
5. Step 5: Solve for x
   x = 200,438,599.33/12,117
6. Step 6: Final answer
   x = 16,541.93