Finding the Fourth Proportional to 12,996.18, 17,941.37 and 9,010.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996.18 : 17,941.37 = 9,010.37 : x
2. Step 2: Convert to fraction form
   12,996.18/17,941.37 = 9,010.37/x
3. Step 3: Cross multiply
   12,996.18x = 17,941.37 × 9,010.37
4. Step 4: Simplify right side
   12,996.18x = 161,658,381.81
5. Step 5: Solve for x
   x = 161,658,381.81/12,996.18
6. Step 6: Final answer
   x = 12,438.92