Finding the Fourth Proportional to 57,092.41, 78,786.43 and 31,598.79

Step by Step Solution

1. Step 1: Write the proportion equation
   57,092.41 : 78,786.43 = 31,598.79 : x
2. Step 2: Convert to fraction form
   57,092.41/78,786.43 = 31,598.79/x
3. Step 3: Cross multiply
   57,092.41x = 78,786.43 × 31,598.79
4. Step 4: Simplify right side
   57,092.41x = 2,489,555,856.42
5. Step 5: Solve for x
   x = 2,489,555,856.42/57,092.41
6. Step 6: Final answer
   x = 43,605.72