Finding the Fourth Proportional to 31,591.36, 43,598.37 and 18,166.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,591.36 : 43,598.37 = 18,166.82 : x
2. Step 2: Convert to fraction form
   31,591.36/43,598.37 = 18,166.82/x
3. Step 3: Cross multiply
   31,591.36x = 43,598.37 × 18,166.82
4. Step 4: Simplify right side
   31,591.36x = 792,043,649.25
5. Step 5: Solve for x
   x = 792,043,649.25/31,591.36
6. Step 6: Final answer
   x = 25,071.53