Finding the Fourth Proportional to 9,678.64, 14,516.59 and 3,103.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,678.64 : 14,516.59 = 3,103.97 : x
2. Step 2: Convert to fraction form
   9,678.64/14,516.59 = 3,103.97/x
3. Step 3: Cross multiply
   9,678.64x = 14,516.59 × 3,103.97
4. Step 4: Simplify right side
   9,678.64x = 45,059,075.73
5. Step 5: Solve for x
   x = 45,059,075.73/9,678.64
6. Step 6: Final answer
   x = 4,655.52