Finding the Fourth Proportional to 5,808.78, 8,016.01 and 3,156.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,808.78 : 8,016.01 = 3,156.23 : x
2. Step 2: Convert to fraction form
   5,808.78/8,016.01 = 3,156.23/x
3. Step 3: Cross multiply
   5,808.78x = 8,016.01 × 3,156.23
4. Step 4: Simplify right side
   5,808.78x = 25,300,371.24
5. Step 5: Solve for x
   x = 25,300,371.24/5,808.78
6. Step 6: Final answer
   x = 4,355.54