Finding the Fourth Proportional to 13,212.42, 19,818.72 and 3,351.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,212.42 : 19,818.72 = 3,351.69 : x
2. Step 2: Convert to fraction form
   13,212.42/19,818.72 = 3,351.69/x
3. Step 3: Cross multiply
   13,212.42x = 19,818.72 × 3,351.69
4. Step 4: Simplify right side
   13,212.42x = 66,426,205.64
5. Step 5: Solve for x
   x = 66,426,205.64/13,212.42
6. Step 6: Final answer
   x = 5,027.56