Finding the Fourth Proportional to 10,886.52, 16,315.38 and 3,954.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.52 : 16,315.38 = 3,954.36 : x
2. Step 2: Convert to fraction form
   10,886.52/16,315.38 = 3,954.36/x
3. Step 3: Cross multiply
   10,886.52x = 16,315.38 × 3,954.36
4. Step 4: Simplify right side
   10,886.52x = 64,516,886.06
5. Step 5: Solve for x
   x = 64,516,886.06/10,886.52
6. Step 6: Final answer
   x = 5,926.31