Finding the Fourth Proportional to 3,722.84, 5,139.90 and 3,323.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.84 : 5,139.90 = 3,323.81 : x
2. Step 2: Convert to fraction form
   3,722.84/5,139.90 = 3,323.81/x
3. Step 3: Cross multiply
   3,722.84x = 5,139.90 × 3,323.81
4. Step 4: Simplify right side
   3,722.84x = 17,084,051.02
5. Step 5: Solve for x
   x = 17,084,051.02/3,722.84
6. Step 6: Final answer
   x = 4,588.98