Finding the Fourth Proportional to 43,788.91, 65,443.43 and 31,967.58

Step by Step Solution

1. Step 1: Write the proportion equation
   43,788.91 : 65,443.43 = 31,967.58 : x
2. Step 2: Convert to fraction form
   43,788.91/65,443.43 = 31,967.58/x
3. Step 3: Cross multiply
   43,788.91x = 65,443.43 × 31,967.58
4. Step 4: Simplify right side
   43,788.91x = 2,092,067,918.51
5. Step 5: Solve for x
   x = 2,092,067,918.51/43,788.91
6. Step 6: Final answer
   x = 47,776.20