Finding the Fourth Proportional to 41,499.63, 57,252.57 and 28,931.67

Step by Step Solution

1. Step 1: Write the proportion equation
   41,499.63 : 57,252.57 = 28,931.67 : x
2. Step 2: Convert to fraction form
   41,499.63/57,252.57 = 28,931.67/x
3. Step 3: Cross multiply
   41,499.63x = 57,252.57 × 28,931.67
4. Step 4: Simplify right side
   41,499.63x = 1,656,412,461.89
5. Step 5: Solve for x
   x = 1,656,412,461.89/41,499.63
6. Step 6: Final answer
   x = 39,913.91