Finding the Fourth Proportional to 10,883.35, 16,320.16 and 3,090.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,883.35 : 16,320.16 = 3,090.34 : x
2. Step 2: Convert to fraction form
   10,883.35/16,320.16 = 3,090.34/x
3. Step 3: Cross multiply
   10,883.35x = 16,320.16 × 3,090.34
4. Step 4: Simplify right side
   10,883.35x = 50,434,843.25
5. Step 5: Solve for x
   x = 50,434,843.25/10,883.35
6. Step 6: Final answer
   x = 4,634.13