Finding the Fourth Proportional to 12,704.05, 17,532.89 and 7,326.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,704.05 : 17,532.89 = 7,326.70 : x
2. Step 2: Convert to fraction form
   12,704.05/17,532.89 = 7,326.70/x
3. Step 3: Cross multiply
   12,704.05x = 17,532.89 × 7,326.70
4. Step 4: Simplify right side
   12,704.05x = 128,458,172.17
5. Step 5: Solve for x
   x = 128,458,172.17/12,704.05
6. Step 6: Final answer
   x = 10,111.59