Finding the Fourth Proportional to 9,704.12, 14,558.04 and 3,128.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,704.12 : 14,558.04 = 3,128.54 : x
2. Step 2: Convert to fraction form
   9,704.12/14,558.04 = 3,128.54/x
3. Step 3: Cross multiply
   9,704.12x = 14,558.04 × 3,128.54
4. Step 4: Simplify right side
   9,704.12x = 45,545,410.46
5. Step 5: Solve for x
   x = 45,545,410.46/9,704.12
6. Step 6: Final answer
   x = 4,693.41