Finding the Fourth Proportional to 12,734.67, 19,103.57 and 3,374.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,734.67 : 19,103.57 = 3,374.89 : x
2. Step 2: Convert to fraction form
   12,734.67/19,103.57 = 3,374.89/x
3. Step 3: Cross multiply
   12,734.67x = 19,103.57 × 3,374.89
4. Step 4: Simplify right side
   12,734.67x = 64,472,458.60
5. Step 5: Solve for x
   x = 64,472,458.60/12,734.67
6. Step 6: Final answer
   x = 5,062.75