Finding the Fourth Proportional to 31,590.50, 43,594.89 and 19,017.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,590.50 : 43,594.89 = 19,017.68 : x
2. Step 2: Convert to fraction form
   31,590.50/43,594.89 = 19,017.68/x
3. Step 3: Cross multiply
   31,590.50x = 43,594.89 × 19,017.68
4. Step 4: Simplify right side
   31,590.50x = 829,073,667.66
5. Step 5: Solve for x
   x = 829,073,667.66/31,590.50
6. Step 6: Final answer
   x = 26,244.40