Finding the Fourth Proportional to 12,669.16, 19,003.42 and 3,434.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,669.16 : 19,003.42 = 3,434.92 : x
2. Step 2: Convert to fraction form
   12,669.16/19,003.42 = 3,434.92/x
3. Step 3: Cross multiply
   12,669.16x = 19,003.42 × 3,434.92
4. Step 4: Simplify right side
   12,669.16x = 65,275,227.43
5. Step 5: Solve for x
   x = 65,275,227.43/12,669.16
6. Step 6: Final answer
   x = 5,152.29