Finding the Fourth Proportional to 10,886.38, 16,329.76 and 3,095.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.38 : 16,329.76 = 3,095.40 : x
2. Step 2: Convert to fraction form
   10,886.38/16,329.76 = 3,095.40/x
3. Step 3: Cross multiply
   10,886.38x = 16,329.76 × 3,095.40
4. Step 4: Simplify right side
   10,886.38x = 50,547,139.10
5. Step 5: Solve for x
   x = 50,547,139.10/10,886.38
6. Step 6: Final answer
   x = 4,643.15