Finding the Fourth Proportional to 111,788.92, 154,339.50 and 69,392.44

Step by Step Solution

1. Step 1: Write the proportion equation
   111,788.92 : 154,339.50 = 69,392.44 : x
2. Step 2: Convert to fraction form
   111,788.92/154,339.50 = 69,392.44/x
3. Step 3: Cross multiply
   111,788.92x = 154,339.50 × 69,392.44
4. Step 4: Simplify right side
   111,788.92x = 10,709,994,493.38
5. Step 5: Solve for x
   x = 10,709,994,493.38/111,788.92
6. Step 6: Final answer
   x = 95,805.51