Finding the Fourth Proportional to 10,685.96, 16,026.98 and 2,895.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,685.96 : 16,026.98 = 2,895.40 : x
2. Step 2: Convert to fraction form
   10,685.96/16,026.98 = 2,895.40/x
3. Step 3: Cross multiply
   10,685.96x = 16,026.98 × 2,895.40
4. Step 4: Simplify right side
   10,685.96x = 46,404,517.89
5. Step 5: Solve for x
   x = 46,404,517.89/10,685.96
6. Step 6: Final answer
   x = 4,342.57