Finding the Fourth Proportional to 12,173.40, 18,260.00 and 3,853.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,173.40 : 18,260.00 = 3,853.43 : x
2. Step 2: Convert to fraction form
   12,173.40/18,260.00 = 3,853.43/x
3. Step 3: Cross multiply
   12,173.40x = 18,260.00 × 3,853.43
4. Step 4: Simplify right side
   12,173.40x = 70,363,521.23
5. Step 5: Solve for x
   x = 70,363,521.23/12,173.40
6. Step 6: Final answer
   x = 5,780.10