Finding the Fourth Proportional to 91,578.78, 137,363.78 and 24,109.23

Step by Step Solution

1. Step 1: Write the proportion equation
   91,578.78 : 137,363.78 = 24,109.23 : x
2. Step 2: Convert to fraction form
   91,578.78/137,363.78 = 24,109.23/x
3. Step 3: Cross multiply
   91,578.78x = 137,363.78 × 24,109.23
4. Step 4: Simplify right side
   91,578.78x = 3,311,734,845.14
5. Step 5: Solve for x
   x = 3,311,734,845.14/91,578.78
6. Step 6: Final answer
   x = 36,162.69