Finding the Fourth Proportional to 12,436.53, 17,167.70 and 7,401.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,436.53 : 17,167.70 = 7,401.22 : x
2. Step 2: Convert to fraction form
   12,436.53/17,167.70 = 7,401.22/x
3. Step 3: Cross multiply
   12,436.53x = 17,167.70 × 7,401.22
4. Step 4: Simplify right side
   12,436.53x = 127,061,900.18
5. Step 5: Solve for x
   x = 127,061,900.18/12,436.53
6. Step 6: Final answer
   x = 10,216.83