Finding the Fourth Proportional to 5,406.84, 8,111.23 and 3,725.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406.84 : 8,111.23 = 3,725.33 : x
2. Step 2: Convert to fraction form
   5,406.84/8,111.23 = 3,725.33/x
3. Step 3: Cross multiply
   5,406.84x = 8,111.23 × 3,725.33
4. Step 4: Simplify right side
   5,406.84x = 30,216,958.59
5. Step 5: Solve for x
   x = 30,216,958.59/5,406.84
6. Step 6: Final answer
   x = 5,588.65