Finding the Fourth Proportional to 10,679.31, 16,017.69 and 2,888.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,679.31 : 16,017.69 = 2,888.73 : x
2. Step 2: Convert to fraction form
   10,679.31/16,017.69 = 2,888.73/x
3. Step 3: Cross multiply
   10,679.31x = 16,017.69 × 2,888.73
4. Step 4: Simplify right side
   10,679.31x = 46,270,781.63
5. Step 5: Solve for x
   x = 46,270,781.63/10,679.31
6. Step 6: Final answer
   x = 4,332.75