Finding the Fourth Proportional to 5,151.51, 7,109.06 and 2,882.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,151.51 : 7,109.06 = 2,882.86 : x
2. Step 2: Convert to fraction form
   5,151.51/7,109.06 = 2,882.86/x
3. Step 3: Cross multiply
   5,151.51x = 7,109.06 × 2,882.86
4. Step 4: Simplify right side
   5,151.51x = 20,494,424.71
5. Step 5: Solve for x
   x = 20,494,424.71/5,151.51
6. Step 6: Final answer
   x = 3,978.33