Finding the Fourth Proportional to 10,681.84, 16,023.12 and 2,890.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,681.84 : 16,023.12 = 2,890.72 : x
2. Step 2: Convert to fraction form
   10,681.84/16,023.12 = 2,890.72/x
3. Step 3: Cross multiply
   10,681.84x = 16,023.12 × 2,890.72
4. Step 4: Simplify right side
   10,681.84x = 46,318,353.45
5. Step 5: Solve for x
   x = 46,318,353.45/10,681.84
6. Step 6: Final answer
   x = 4,336.18