Finding the Fourth Proportional to 58,647.27, 80,933.37 and 31,789.67

Step by Step Solution

1. Step 1: Write the proportion equation
   58,647.27 : 80,933.37 = 31,789.67 : x
2. Step 2: Convert to fraction form
   58,647.27/80,933.37 = 31,789.67/x
3. Step 3: Cross multiply
   58,647.27x = 80,933.37 × 31,789.67
4. Step 4: Simplify right side
   58,647.27x = 2,572,844,719.62
5. Step 5: Solve for x
   x = 2,572,844,719.62/58,647.27
6. Step 6: Final answer
   x = 43,869.81