Finding the Fourth Proportional to 40,789.67, 56,321.60 and 26,456.31

Step by Step Solution

1. Step 1: Write the proportion equation
   40,789.67 : 56,321.60 = 26,456.31 : x
2. Step 2: Convert to fraction form
   40,789.67/56,321.60 = 26,456.31/x
3. Step 3: Cross multiply
   40,789.67x = 56,321.60 × 26,456.31
4. Step 4: Simplify right side
   40,789.67x = 1,490,061,577.01
5. Step 5: Solve for x
   x = 1,490,061,577.01/40,789.67
6. Step 6: Final answer
   x = 36,530.37