Finding the Fourth Proportional to 58,597.57, 80,864.66 and 31,740

Step by Step Solution

1. Step 1: Write the proportion equation
   58,597.57 : 80,864.66 = 31,740 : x
2. Step 2: Convert to fraction form
   58,597.57/80,864.66 = 31,740/x
3. Step 3: Cross multiply
   58,597.57x = 80,864.66 × 31,740
4. Step 4: Simplify right side
   58,597.57x = 2,566,644,308.40
5. Step 5: Solve for x
   x = 2,566,644,308.40/58,597.57
6. Step 6: Final answer
   x = 43,801.21