Finding the Fourth Proportional to 22,898, 31,599.24 and 12,962

Step by Step Solution

1. Step 1: Write the proportion equation
   22,898 : 31,599.24 = 12,962 : x
2. Step 2: Convert to fraction form
   22,898/31,599.24 = 12,962/x
3. Step 3: Cross multiply
   22,898x = 31,599.24 × 12,962
4. Step 4: Simplify right side
   22,898x = 409,589,348.88
5. Step 5: Solve for x
   x = 409,589,348.88/22,898
6. Step 6: Final answer
   x = 17,887.56