Finding the Fourth Proportional to 3,886.84, 5,822.70 and 3,450.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.84 : 5,822.70 = 3,450.52 : x
2. Step 2: Convert to fraction form
   3,886.84/5,822.70 = 3,450.52/x
3. Step 3: Cross multiply
   3,886.84x = 5,822.70 × 3,450.52
4. Step 4: Simplify right side
   3,886.84x = 20,091,342.80
5. Step 5: Solve for x
   x = 20,091,342.80/3,886.84
6. Step 6: Final answer
   x = 5,169.07