Finding the Fourth Proportional to 31,591, 43,595.58 and 19,018.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,591 : 43,595.58 = 19,018.18 : x
2. Step 2: Convert to fraction form
   31,591/43,595.58 = 19,018.18/x
3. Step 3: Cross multiply
   31,591x = 43,595.58 × 19,018.18
4. Step 4: Simplify right side
   31,591x = 829,108,587.64
5. Step 5: Solve for x
   x = 829,108,587.64/31,591
6. Step 6: Final answer
   x = 26,245.09