Finding the Fourth Proportional to 5,145.44, 7,100.83 and 3,154.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,145.44 : 7,100.83 = 3,154.84 : x
2. Step 2: Convert to fraction form
   5,145.44/7,100.83 = 3,154.84/x
3. Step 3: Cross multiply
   5,145.44x = 7,100.83 × 3,154.84
4. Step 4: Simplify right side
   5,145.44x = 22,401,947.01
5. Step 5: Solve for x
   x = 22,401,947.01/5,145.44
6. Step 6: Final answer
   x = 4,353.75