Finding the Fourth Proportional to 31,536, 43,519.98 and 17,389.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,536 : 43,519.98 = 17,389.32 : x
2. Step 2: Convert to fraction form
   31,536/43,519.98 = 17,389.32/x
3. Step 3: Cross multiply
   31,536x = 43,519.98 × 17,389.32
4. Step 4: Simplify right side
   31,536x = 756,782,858.61
5. Step 5: Solve for x
   x = 756,782,858.61/31,536
6. Step 6: Final answer
   x = 23,997.43