Finding the Fourth Proportional to 10,788.35, 16,181.27 and 2,891.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.35 : 16,181.27 = 2,891.55 : x
2. Step 2: Convert to fraction form
   10,788.35/16,181.27 = 2,891.55/x
3. Step 3: Cross multiply
   10,788.35x = 16,181.27 × 2,891.55
4. Step 4: Simplify right side
   10,788.35x = 46,788,936.81
5. Step 5: Solve for x
   x = 46,788,936.81/10,788.35
6. Step 6: Final answer
   x = 4,336.99