Finding the Fourth Proportional to 21,291.02, 31,932.88 and 5,705

Step by Step Solution

1. Step 1: Write the proportion equation
   21,291.02 : 31,932.88 = 5,705 : x
2. Step 2: Convert to fraction form
   21,291.02/31,932.88 = 5,705/x
3. Step 3: Cross multiply
   21,291.02x = 31,932.88 × 5,705
4. Step 4: Simplify right side
   21,291.02x = 182,177,080.40
5. Step 5: Solve for x
   x = 182,177,080.40/21,291.02
6. Step 6: Final answer
   x = 8,556.52