Finding the Fourth Proportional to 57,381.46, 79,142.58 and 41,518.42

Step by Step Solution

1. Step 1: Write the proportion equation
   57,381.46 : 79,142.58 = 41,518.42 : x
2. Step 2: Convert to fraction form
   57,381.46/79,142.58 = 41,518.42/x
3. Step 3: Cross multiply
   57,381.46x = 79,142.58 × 41,518.42
4. Step 4: Simplify right side
   57,381.46x = 3,285,874,876.32
5. Step 5: Solve for x
   x = 3,285,874,876.32/57,381.46
6. Step 6: Final answer
   x = 57,263.70