Finding the Fourth Proportional to 31,818.42, 43,910.01 and 17,672.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,818.42 : 43,910.01 = 17,672.58 : x
2. Step 2: Convert to fraction form
   31,818.42/43,910.01 = 17,672.58/x
3. Step 3: Cross multiply
   31,818.42x = 43,910.01 × 17,672.58
4. Step 4: Simplify right side
   31,818.42x = 776,003,164.53
5. Step 5: Solve for x
   x = 776,003,164.53/31,818.42
6. Step 6: Final answer
   x = 24,388.49