Finding the Fourth Proportional to 12,830.76, 17,705.37 and 7,452.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830.76 : 17,705.37 = 7,452.09 : x
2. Step 2: Convert to fraction form
   12,830.76/17,705.37 = 7,452.09/x
3. Step 3: Cross multiply
   12,830.76x = 17,705.37 × 7,452.09
4. Step 4: Simplify right side
   12,830.76x = 131,942,010.72
5. Step 5: Solve for x
   x = 131,942,010.72/12,830.76
6. Step 6: Final answer
   x = 10,283.26