Finding the Fourth Proportional to 57,636, 86,479.92 and 33,012

Step by Step Solution

1. Step 1: Write the proportion equation
   57,636 : 86,479.92 = 33,012 : x
2. Step 2: Convert to fraction form
   57,636/86,479.92 = 33,012/x
3. Step 3: Cross multiply
   57,636x = 86,479.92 × 33,012
4. Step 4: Simplify right side
   57,636x = 2,854,875,119.04
5. Step 5: Solve for x
   x = 2,854,875,119.04/57,636
6. Step 6: Final answer
   x = 49,532.85