Finding the Fourth Proportional to 31,160.34, 43,021.89 and 19,241.19

Step by Step Solution

1. Step 1: Write the proportion equation
   31,160.34 : 43,021.89 = 19,241.19 : x
2. Step 2: Convert to fraction form
   31,160.34/43,021.89 = 19,241.19/x
3. Step 3: Cross multiply
   31,160.34x = 43,021.89 × 19,241.19
4. Step 4: Simplify right side
   31,160.34x = 827,792,359.65
5. Step 5: Solve for x
   x = 827,792,359.65/31,160.34
6. Step 6: Final answer
   x = 26,565.58