Finding the Fourth Proportional to 31,787.69, 43,870.77 and 17,641.44

Step by Step Solution

1. Step 1: Write the proportion equation
   31,787.69 : 43,870.77 = 17,641.44 : x
2. Step 2: Convert to fraction form
   31,787.69/43,870.77 = 17,641.44/x
3. Step 3: Cross multiply
   31,787.69x = 43,870.77 × 17,641.44
4. Step 4: Simplify right side
   31,787.69x = 773,943,556.71
5. Step 5: Solve for x
   x = 773,943,556.71/31,787.69
6. Step 6: Final answer
   x = 24,347.28