Finding the Fourth Proportional to 58,586.43, 80,848.82 and 31,728.32

Step by Step Solution

1. Step 1: Write the proportion equation
   58,586.43 : 80,848.82 = 31,728.32 : x
2. Step 2: Convert to fraction form
   58,586.43/80,848.82 = 31,728.32/x
3. Step 3: Cross multiply
   58,586.43x = 80,848.82 × 31,728.32
4. Step 4: Simplify right side
   58,586.43x = 2,565,196,669.70
5. Step 5: Solve for x
   x = 2,565,196,669.70/58,586.43
6. Step 6: Final answer
   x = 43,784.83