Finding the Fourth Proportional to 3,424.58, 5,138.76 and 1,693.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,424.58 : 5,138.76 = 1,693.34 : x
2. Step 2: Convert to fraction form
   3,424.58/5,138.76 = 1,693.34/x
3. Step 3: Cross multiply
   3,424.58x = 5,138.76 × 1,693.34
4. Step 4: Simplify right side
   3,424.58x = 8,701,667.86
5. Step 5: Solve for x
   x = 8,701,667.86/3,424.58
6. Step 6: Final answer
   x = 2,540.94