Finding the Fourth Proportional to 3,979.10, 5,970.63 and 3,011.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979.10 : 5,970.63 = 3,011.14 : x
2. Step 2: Convert to fraction form
   3,979.10/5,970.63 = 3,011.14/x
3. Step 3: Cross multiply
   3,979.10x = 5,970.63 × 3,011.14
4. Step 4: Simplify right side
   3,979.10x = 17,978,402.82
5. Step 5: Solve for x
   x = 17,978,402.82/3,979.10
6. Step 6: Final answer
   x = 4,518.21