Finding the Fourth Proportional to 58,581.65, 80,842.52 and 31,724.15

Step by Step Solution

1. Step 1: Write the proportion equation
   58,581.65 : 80,842.52 = 31,724.15 : x
2. Step 2: Convert to fraction form
   58,581.65/80,842.52 = 31,724.15/x
3. Step 3: Cross multiply
   58,581.65x = 80,842.52 × 31,724.15
4. Step 4: Simplify right side
   58,581.65x = 2,564,660,069.64
5. Step 5: Solve for x
   x = 2,564,660,069.64/58,581.65
6. Step 6: Final answer
   x = 43,779.24