Finding the Fourth Proportional to 31,829.09, 43,925.29 and 18,404.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,829.09 : 43,925.29 = 18,404.55 : x
2. Step 2: Convert to fraction form
   31,829.09/43,925.29 = 18,404.55/x
3. Step 3: Cross multiply
   31,829.09x = 43,925.29 × 18,404.55
4. Step 4: Simplify right side
   31,829.09x = 808,425,150.06
5. Step 5: Solve for x
   x = 808,425,150.06/31,829.09
6. Step 6: Final answer
   x = 25,398.94