Finding the Fourth Proportional to 5,111.88, 7,054.32 and 2,873.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111.88 : 7,054.32 = 2,873.71 : x
2. Step 2: Convert to fraction form
   5,111.88/7,054.32 = 2,873.71/x
3. Step 3: Cross multiply
   5,111.88x = 7,054.32 × 2,873.71
4. Step 4: Simplify right side
   5,111.88x = 20,272,089.52
5. Step 5: Solve for x
   x = 20,272,089.52/5,111.88
6. Step 6: Final answer
   x = 3,965.68