Finding the Fourth Proportional to 3,789.07, 5,683.15 and 1,323.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.07 : 5,683.15 = 1,323.69 : x
2. Step 2: Convert to fraction form
   3,789.07/5,683.15 = 1,323.69/x
3. Step 3: Cross multiply
   3,789.07x = 5,683.15 × 1,323.69
4. Step 4: Simplify right side
   3,789.07x = 7,522,728.82
5. Step 5: Solve for x
   x = 7,522,728.82/3,789.07
6. Step 6: Final answer
   x = 1,985.38