Finding the Fourth Proportional to 9,714.24, 14,573.16 and 3,140.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,714.24 : 14,573.16 = 3,140.28 : x
2. Step 2: Convert to fraction form
   9,714.24/14,573.16 = 3,140.28/x
3. Step 3: Cross multiply
   9,714.24x = 14,573.16 × 3,140.28
4. Step 4: Simplify right side
   9,714.24x = 45,763,802.88
5. Step 5: Solve for x
   x = 45,763,802.88/9,714.24
6. Step 6: Final answer
   x = 4,711.00