Finding the Fourth Proportional to 109,491.42, 164,236.77 and 26,385.42

Step by Step Solution

1. Step 1: Write the proportion equation
   109,491.42 : 164,236.77 = 26,385.42 : x
2. Step 2: Convert to fraction form
   109,491.42/164,236.77 = 26,385.42/x
3. Step 3: Cross multiply
   109,491.42x = 164,236.77 × 26,385.42
4. Step 4: Simplify right side
   109,491.42x = 4,333,456,155.89
5. Step 5: Solve for x
   x = 4,333,456,155.89/109,491.42
6. Step 6: Final answer
   x = 39,578.04