Finding the Fourth Proportional to 20,677.94, 31,012.31 and 5,886.58

Step by Step Solution

1. Step 1: Write the proportion equation
   20,677.94 : 31,012.31 = 5,886.58 : x
2. Step 2: Convert to fraction form
   20,677.94/31,012.31 = 5,886.58/x
3. Step 3: Cross multiply
   20,677.94x = 31,012.31 × 5,886.58
4. Step 4: Simplify right side
   20,677.94x = 182,556,443.80
5. Step 5: Solve for x
   x = 182,556,443.80/20,677.94
6. Step 6: Final answer
   x = 8,828.56