Finding the Fourth Proportional to 5,151.62, 7,109.30 and 2,913.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,151.62 : 7,109.30 = 2,913.52 : x
2. Step 2: Convert to fraction form
   5,151.62/7,109.30 = 2,913.52/x
3. Step 3: Cross multiply
   5,151.62x = 7,109.30 × 2,913.52
4. Step 4: Simplify right side
   5,151.62x = 20,713,087.74
5. Step 5: Solve for x
   x = 20,713,087.74/5,151.62
6. Step 6: Final answer
   x = 4,020.69