Finding the Fourth Proportional to 10,714.30, 16,065.69 and 3,315.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,714.30 : 16,065.69 = 3,315.58 : x
2. Step 2: Convert to fraction form
   10,714.30/16,065.69 = 3,315.58/x
3. Step 3: Cross multiply
   10,714.30x = 16,065.69 × 3,315.58
4. Step 4: Simplify right side
   10,714.30x = 53,267,080.45
5. Step 5: Solve for x
   x = 53,267,080.45/10,714.30
6. Step 6: Final answer
   x = 4,971.59