Finding the Fourth Proportional to 3,404.12, 5,102.45 and 1,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.12 : 5,102.45 = 1,323.50 : x
2. Step 2: Convert to fraction form
   3,404.12/5,102.45 = 1,323.50/x
3. Step 3: Cross multiply
   3,404.12x = 5,102.45 × 1,323.50
4. Step 4: Simplify right side
   3,404.12x = 6,753,060.45
5. Step 5: Solve for x
   x = 6,753,060.45/3,404.12
6. Step 6: Final answer
   x = 1,983.79