Finding the Fourth Proportional to 31,261.86, 43,137.33 and 17,832.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,261.86 : 43,137.33 = 17,832.31 : x
2. Step 2: Convert to fraction form
   31,261.86/43,137.33 = 17,832.31/x
3. Step 3: Cross multiply
   31,261.86x = 43,137.33 × 17,832.31
4. Step 4: Simplify right side
   31,261.86x = 769,238,520.19
5. Step 5: Solve for x
   x = 769,238,520.19/31,261.86
6. Step 6: Final answer
   x = 24,606.29