Finding the Fourth Proportional to 29,111.24, 40,141.76 and 19,663.40

Step by Step Solution

1. Step 1: Write the proportion equation
   29,111.24 : 40,141.76 = 19,663.40 : x
2. Step 2: Convert to fraction form
   29,111.24/40,141.76 = 19,663.40/x
3. Step 3: Cross multiply
   29,111.24x = 40,141.76 × 19,663.40
4. Step 4: Simplify right side
   29,111.24x = 789,323,483.58
5. Step 5: Solve for x
   x = 789,323,483.58/29,111.24
6. Step 6: Final answer
   x = 27,114.05