Finding the Fourth Proportional to 41,860.40, 57,764.72 and 38,516.72

Step by Step Solution

1. Step 1: Write the proportion equation
   41,860.40 : 57,764.72 = 38,516.72 : x
2. Step 2: Convert to fraction form
   41,860.40/57,764.72 = 38,516.72/x
3. Step 3: Cross multiply
   41,860.40x = 57,764.72 × 38,516.72
4. Step 4: Simplify right side
   41,860.40x = 2,224,907,546.12
5. Step 5: Solve for x
   x = 2,224,907,546.12/41,860.40
6. Step 6: Final answer
   x = 53,150.65