Finding the Fourth Proportional to 58,586.58, 80,849.01 and 31,728.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,586.58 : 80,849.01 = 31,728.72 : x
2. Step 2: Convert to fraction form
   58,586.58/80,849.01 = 31,728.72/x
3. Step 3: Cross multiply
   58,586.58x = 80,849.01 × 31,728.72
4. Step 4: Simplify right side
   58,586.58x = 2,565,235,600.57
5. Step 5: Solve for x
   x = 2,565,235,600.57/58,586.58
6. Step 6: Final answer
   x = 43,785.38