Finding the Fourth Proportional to 12,134.49, 18,199.71 and 3,370.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,134.49 : 18,199.71 = 3,370.29 : x
2. Step 2: Convert to fraction form
   12,134.49/18,199.71 = 3,370.29/x
3. Step 3: Cross multiply
   12,134.49x = 18,199.71 × 3,370.29
4. Step 4: Simplify right side
   12,134.49x = 61,338,300.62
5. Step 5: Solve for x
   x = 61,338,300.62/12,134.49
6. Step 6: Final answer
   x = 5,054.87