Finding the Fourth Proportional to 57,370.43, 79,168.61 and 31,878.59

Step by Step Solution

1. Step 1: Write the proportion equation
   57,370.43 : 79,168.61 = 31,878.59 : x
2. Step 2: Convert to fraction form
   57,370.43/79,168.61 = 31,878.59/x
3. Step 3: Cross multiply
   57,370.43x = 79,168.61 × 31,878.59
4. Step 4: Simplify right side
   57,370.43x = 2,523,783,103.82
5. Step 5: Solve for x
   x = 2,523,783,103.82/57,370.43
6. Step 6: Final answer
   x = 43,991.01