Finding the Fourth Proportional to 4,090.52, 5,643.36 and 2,320.80

Step by Step Solution

1. Step 1: Write the proportion equation
   4,090.52 : 5,643.36 = 2,320.80 : x
2. Step 2: Convert to fraction form
   4,090.52/5,643.36 = 2,320.80/x
3. Step 3: Cross multiply
   4,090.52x = 5,643.36 × 2,320.80
4. Step 4: Simplify right side
   4,090.52x = 13,097,109.89
5. Step 5: Solve for x
   x = 13,097,109.89/4,090.52
6. Step 6: Final answer
   x = 3,201.82