Finding the Fourth Proportional to 10,886.30, 16,315.79 and 5,888.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.30 : 16,315.79 = 5,888.47 : x
2. Step 2: Convert to fraction form
   10,886.30/16,315.79 = 5,888.47/x
3. Step 3: Cross multiply
   10,886.30x = 16,315.79 × 5,888.47
4. Step 4: Simplify right side
   10,886.30x = 96,074,969.71
5. Step 5: Solve for x
   x = 96,074,969.71/10,886.30
6. Step 6: Final answer
   x = 8,825.31