Finding the Fourth Proportional to 10,788.60, 16,185.76 and 3,393.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.60 : 16,185.76 = 3,393.32 : x
2. Step 2: Convert to fraction form
   10,788.60/16,185.76 = 3,393.32/x
3. Step 3: Cross multiply
   10,788.60x = 16,185.76 × 3,393.32
4. Step 4: Simplify right side
   10,788.60x = 54,923,463.12
5. Step 5: Solve for x
   x = 54,923,463.12/10,788.60
6. Step 6: Final answer
   x = 5,090.88