Finding the Fourth Proportional to 2,602.82, 3,904.13 and 1,042.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.82 : 3,904.13 = 1,042.35 : x
2. Step 2: Convert to fraction form
   2,602.82/3,904.13 = 1,042.35/x
3. Step 3: Cross multiply
   2,602.82x = 3,904.13 × 1,042.35
4. Step 4: Simplify right side
   2,602.82x = 4,069,464.69
5. Step 5: Solve for x
   x = 4,069,464.69/2,602.82
6. Step 6: Final answer
   x = 1,563.49