Finding the Fourth Proportional to 58,586.72, 80,849.22 and 31,729.15

Step by Step Solution

1. Step 1: Write the proportion equation
   58,586.72 : 80,849.22 = 31,729.15 : x
2. Step 2: Convert to fraction form
   58,586.72/80,849.22 = 31,729.15/x
3. Step 3: Cross multiply
   58,586.72x = 80,849.22 × 31,729.15
4. Step 4: Simplify right side
   58,586.72x = 2,565,276,624.52
5. Step 5: Solve for x
   x = 2,565,276,624.52/58,586.72
6. Step 6: Final answer
   x = 43,785.97