Finding the Fourth Proportional to 12,401.34, 17,147.52 and 12,201.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.34 : 17,147.52 = 12,201.03 : x
2. Step 2: Convert to fraction form
   12,401.34/17,147.52 = 12,201.03/x
3. Step 3: Cross multiply
   12,401.34x = 17,147.52 × 12,201.03
4. Step 4: Simplify right side
   12,401.34x = 209,217,405.95
5. Step 5: Solve for x
   x = 209,217,405.95/12,401.34
6. Step 6: Final answer
   x = 16,870.55