Finding the Fourth Proportional to 12,699.71, 17,524.80 and 7,034.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,699.71 : 17,524.80 = 7,034.36 : x
2. Step 2: Convert to fraction form
   12,699.71/17,524.80 = 7,034.36/x
3. Step 3: Cross multiply
   12,699.71x = 17,524.80 × 7,034.36
4. Step 4: Simplify right side
   12,699.71x = 123,275,664.50
5. Step 5: Solve for x
   x = 123,275,664.50/12,699.71
6. Step 6: Final answer
   x = 9,706.97