Finding the Fourth Proportional to 31,193.46, 43,051.37 and 19,859.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,193.46 : 43,051.37 = 19,859.34 : x
2. Step 2: Convert to fraction form
   31,193.46/43,051.37 = 19,859.34/x
3. Step 3: Cross multiply
   31,193.46x = 43,051.37 × 19,859.34
4. Step 4: Simplify right side
   31,193.46x = 854,971,794.30
5. Step 5: Solve for x
   x = 854,971,794.30/31,193.46
6. Step 6: Final answer
   x = 27,408.69