Finding the Fourth Proportional to 57,134.25, 78,845.27 and 31,984.29

Step by Step Solution

1. Step 1: Write the proportion equation
   57,134.25 : 78,845.27 = 31,984.29 : x
2. Step 2: Convert to fraction form
   57,134.25/78,845.27 = 31,984.29/x
3. Step 3: Cross multiply
   57,134.25x = 78,845.27 × 31,984.29
4. Step 4: Simplify right side
   57,134.25x = 2,521,809,820.89
5. Step 5: Solve for x
   x = 2,521,809,820.89/57,134.25
6. Step 6: Final answer
   x = 44,138.32