Finding the Fourth Proportional to 2,176.47, 3,005.91 and 1,895.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.47 : 3,005.91 = 1,895.40 : x
2. Step 2: Convert to fraction form
   2,176.47/3,005.91 = 1,895.40/x
3. Step 3: Cross multiply
   2,176.47x = 3,005.91 × 1,895.40
4. Step 4: Simplify right side
   2,176.47x = 5,697,401.81
5. Step 5: Solve for x
   x = 5,697,401.81/2,176.47
6. Step 6: Final answer
   x = 2,617.73