Finding the Fourth Proportional to 3,920.69, 5,881.71 and 1,323.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920.69 : 5,881.71 = 1,323.02 : x
2. Step 2: Convert to fraction form
   3,920.69/5,881.71 = 1,323.02/x
3. Step 3: Cross multiply
   3,920.69x = 5,881.71 × 1,323.02
4. Step 4: Simplify right side
   3,920.69x = 7,781,639.63
5. Step 5: Solve for x
   x = 7,781,639.63/3,920.69
6. Step 6: Final answer
   x = 1,984.76