Finding the Fourth Proportional to 5,918.02, 8,880.06 and 3,451.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,918.02 : 8,880.06 = 3,451.42 : x
2. Step 2: Convert to fraction form
   5,918.02/8,880.06 = 3,451.42/x
3. Step 3: Cross multiply
   5,918.02x = 8,880.06 × 3,451.42
4. Step 4: Simplify right side
   5,918.02x = 30,648,816.69
5. Step 5: Solve for x
   x = 30,648,816.69/5,918.02
6. Step 6: Final answer
   x = 5,178.90