Finding the Fourth Proportional to 40,236.54, 60,354.89 and 13,941.31

Step by Step Solution

1. Step 1: Write the proportion equation
   40,236.54 : 60,354.89 = 13,941.31 : x
2. Step 2: Convert to fraction form
   40,236.54/60,354.89 = 13,941.31/x
3. Step 3: Cross multiply
   40,236.54x = 60,354.89 × 13,941.31
4. Step 4: Simplify right side
   40,236.54x = 841,426,010.91
5. Step 5: Solve for x
   x = 841,426,010.91/40,236.54
6. Step 6: Final answer
   x = 20,911.99