Finding the Fourth Proportional to 9,714.06, 14,566.05 and 3,139.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,714.06 : 14,566.05 = 3,139.38 : x
2. Step 2: Convert to fraction form
   9,714.06/14,566.05 = 3,139.38/x
3. Step 3: Cross multiply
   9,714.06x = 14,566.05 × 3,139.38
4. Step 4: Simplify right side
   9,714.06x = 45,728,366.05
5. Step 5: Solve for x
   x = 45,728,366.05/9,714.06
6. Step 6: Final answer
   x = 4,707.44