Finding the Fourth Proportional to 57,685.71, 86,528.18 and 31,044.24

Step by Step Solution

1. Step 1: Write the proportion equation
   57,685.71 : 86,528.18 = 31,044.24 : x
2. Step 2: Convert to fraction form
   57,685.71/86,528.18 = 31,044.24/x
3. Step 3: Cross multiply
   57,685.71x = 86,528.18 × 31,044.24
4. Step 4: Simplify right side
   57,685.71x = 2,686,200,998.82
5. Step 5: Solve for x
   x = 2,686,200,998.82/57,685.71
6. Step 6: Final answer
   x = 46,566.14