Finding the Fourth Proportional to 10,886.90, 16,331.76 and 3,095.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.90 : 16,331.76 = 3,095.91 : x
2. Step 2: Convert to fraction form
   10,886.90/16,331.76 = 3,095.91/x
3. Step 3: Cross multiply
   10,886.90x = 16,331.76 × 3,095.91
4. Step 4: Simplify right side
   10,886.90x = 50,561,659.10
5. Step 5: Solve for x
   x = 50,561,659.10/10,886.90
6. Step 6: Final answer
   x = 4,644.27