Finding the Fourth Proportional to 41,892.09, 62,842.76 and 12,312.24

Step by Step Solution

1. Step 1: Write the proportion equation
   41,892.09 : 62,842.76 = 12,312.24 : x
2. Step 2: Convert to fraction form
   41,892.09/62,842.76 = 12,312.24/x
3. Step 3: Cross multiply
   41,892.09x = 62,842.76 × 12,312.24
4. Step 4: Simplify right side
   41,892.09x = 773,735,081.82
5. Step 5: Solve for x
   x = 773,735,081.82/41,892.09
6. Step 6: Final answer
   x = 18,469.72