Finding the Fourth Proportional to 12,982.18, 17,922.30 and 10,401.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,982.18 : 17,922.30 = 10,401.86 : x
2. Step 2: Convert to fraction form
   12,982.18/17,922.30 = 10,401.86/x
3. Step 3: Cross multiply
   12,982.18x = 17,922.30 × 10,401.86
4. Step 4: Simplify right side
   12,982.18x = 186,425,255.48
5. Step 5: Solve for x
   x = 186,425,255.48/12,982.18
6. Step 6: Final answer
   x = 14,360.09