Finding the Fourth Proportional to 12,164.54, 18,248.86 and 3,842.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.54 : 18,248.86 = 3,842.60 : x
2. Step 2: Convert to fraction form
   12,164.54/18,248.86 = 3,842.60/x
3. Step 3: Cross multiply
   12,164.54x = 18,248.86 × 3,842.60
4. Step 4: Simplify right side
   12,164.54x = 70,123,069.44
5. Step 5: Solve for x
   x = 70,123,069.44/12,164.54
6. Step 6: Final answer
   x = 5,764.55