Finding the Fourth Proportional to 5,079.42, 7,009.59 and 2,956.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,079.42 : 7,009.59 = 2,956.20 : x
2. Step 2: Convert to fraction form
   5,079.42/7,009.59 = 2,956.20/x
3. Step 3: Cross multiply
   5,079.42x = 7,009.59 × 2,956.20
4. Step 4: Simplify right side
   5,079.42x = 20,721,749.96
5. Step 5: Solve for x
   x = 20,721,749.96/5,079.42
6. Step 6: Final answer
   x = 4,079.55