Finding the Fourth Proportional to 31,593.16, 43,598.55 and 18,167.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,593.16 : 43,598.55 = 18,167.05 : x
2. Step 2: Convert to fraction form
   31,593.16/43,598.55 = 18,167.05/x
3. Step 3: Cross multiply
   31,593.16x = 43,598.55 × 18,167.05
4. Step 4: Simplify right side
   31,593.16x = 792,057,037.78
5. Step 5: Solve for x
   x = 792,057,037.78/31,593.16
6. Step 6: Final answer
   x = 25,070.52