Finding the Fourth Proportional to 57,410.73, 86,116.14 and 31,281.57

Step by Step Solution

1. Step 1: Write the proportion equation
   57,410.73 : 86,116.14 = 31,281.57 : x
2. Step 2: Convert to fraction form
   57,410.73/86,116.14 = 31,281.57/x
3. Step 3: Cross multiply
   57,410.73x = 86,116.14 × 31,281.57
4. Step 4: Simplify right side
   57,410.73x = 2,693,848,061.54
5. Step 5: Solve for x
   x = 2,693,848,061.54/57,410.73
6. Step 6: Final answer
   x = 46,922.38