Finding the Fourth Proportional to 31,610.32, 43,623.50 and 18,181.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,610.32 : 43,623.50 = 18,181.56 : x
2. Step 2: Convert to fraction form
   31,610.32/43,623.50 = 18,181.56/x
3. Step 3: Cross multiply
   31,610.32x = 43,623.50 × 18,181.56
4. Step 4: Simplify right side
   31,610.32x = 793,143,355.34
5. Step 5: Solve for x
   x = 793,143,355.34/31,610.32
6. Step 6: Final answer
   x = 25,091.28