Finding the Fourth Proportional to 3,488.34, 4,813.65 and 2,090.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,488.34 : 4,813.65 = 2,090.82 : x
2. Step 2: Convert to fraction form
   3,488.34/4,813.65 = 2,090.82/x
3. Step 3: Cross multiply
   3,488.34x = 4,813.65 × 2,090.82
4. Step 4: Simplify right side
   3,488.34x = 10,064,475.69
5. Step 5: Solve for x
   x = 10,064,475.69/3,488.34
6. Step 6: Final answer
   x = 2,885.18