Finding the Fourth Proportional to 12,452.63, 17,206.52 and 9,955.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,452.63 : 17,206.52 = 9,955.36 : x
2. Step 2: Convert to fraction form
   12,452.63/17,206.52 = 9,955.36/x
3. Step 3: Cross multiply
   12,452.63x = 17,206.52 × 9,955.36
4. Step 4: Simplify right side
   12,452.63x = 171,297,082.82
5. Step 5: Solve for x
   x = 171,297,082.82/12,452.63
6. Step 6: Final answer
   x = 13,755.89