Finding the Fourth Proportional to 12,112.02, 18,143.33 and 5,853.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,112.02 : 18,143.33 = 5,853.15 : x
2. Step 2: Convert to fraction form
   12,112.02/18,143.33 = 5,853.15/x
3. Step 3: Cross multiply
   12,112.02x = 18,143.33 × 5,853.15
4. Step 4: Simplify right side
   12,112.02x = 106,195,602.72
5. Step 5: Solve for x
   x = 106,195,602.72/12,112.02
6. Step 6: Final answer
   x = 8,767.79