Finding the Fourth Proportional to 57,401.41, 79,214.89 and 31,561.05

Step by Step Solution

1. Step 1: Write the proportion equation
   57,401.41 : 79,214.89 = 31,561.05 : x
2. Step 2: Convert to fraction form
   57,401.41/79,214.89 = 31,561.05/x
3. Step 3: Cross multiply
   57,401.41x = 79,214.89 × 31,561.05
4. Step 4: Simplify right side
   57,401.41x = 2,500,105,104.03
5. Step 5: Solve for x
   x = 2,500,105,104.03/57,401.41
6. Step 6: Final answer
   x = 43,554.77