Finding the Fourth Proportional to 3,402.50, 5,103.78 and 1,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,402.50 : 5,103.78 = 1,350.50 : x
2. Step 2: Convert to fraction form
   3,402.50/5,103.78 = 1,350.50/x
3. Step 3: Cross multiply
   3,402.50x = 5,103.78 × 1,350.50
4. Step 4: Simplify right side
   3,402.50x = 6,892,654.89
5. Step 5: Solve for x
   x = 6,892,654.89/3,402.50
6. Step 6: Final answer
   x = 2,025.76