Finding the Fourth Proportional to 9,714.52, 14,568.13 and 3,138.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,714.52 : 14,568.13 = 3,138.94 : x
2. Step 2: Convert to fraction form
   9,714.52/14,568.13 = 3,138.94/x
3. Step 3: Cross multiply
   9,714.52x = 14,568.13 × 3,138.94
4. Step 4: Simplify right side
   9,714.52x = 45,728,441.71
5. Step 5: Solve for x
   x = 45,728,441.71/9,714.52
6. Step 6: Final answer
   x = 4,707.23