Finding the Fourth Proportional to 5,145.32, 7,100.17 and 3,020.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,145.32 : 7,100.17 = 3,020.94 : x
2. Step 2: Convert to fraction form
   5,145.32/7,100.17 = 3,020.94/x
3. Step 3: Cross multiply
   5,145.32x = 7,100.17 × 3,020.94
4. Step 4: Simplify right side
   5,145.32x = 21,449,187.56
5. Step 5: Solve for x
   x = 21,449,187.56/5,145.32
6. Step 6: Final answer
   x = 4,168.68