Finding the Fourth Proportional to 40,929.94, 61,382.56 and 26,889.40

Step by Step Solution

1. Step 1: Write the proportion equation
   40,929.94 : 61,382.56 = 26,889.40 : x
2. Step 2: Convert to fraction form
   40,929.94/61,382.56 = 26,889.40/x
3. Step 3: Cross multiply
   40,929.94x = 61,382.56 × 26,889.40
4. Step 4: Simplify right side
   40,929.94x = 1,650,540,208.86
5. Step 5: Solve for x
   x = 1,650,540,208.86/40,929.94
6. Step 6: Final answer
   x = 40,325.99