Finding the Fourth Proportional to 40,081.63, 60,136.23 and 17,910.31

Step by Step Solution

1. Step 1: Write the proportion equation
   40,081.63 : 60,136.23 = 17,910.31 : x
2. Step 2: Convert to fraction form
   40,081.63/60,136.23 = 17,910.31/x
3. Step 3: Cross multiply
   40,081.63x = 60,136.23 × 17,910.31
4. Step 4: Simplify right side
   40,081.63x = 1,077,058,521.53
5. Step 5: Solve for x
   x = 1,077,058,521.53/40,081.63
6. Step 6: Final answer
   x = 26,871.62