Finding the Fourth Proportional to 2,601.84, 3,904.31 and 1,042.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.84 : 3,904.31 = 1,042.59 : x
2. Step 2: Convert to fraction form
   2,601.84/3,904.31 = 1,042.59/x
3. Step 3: Cross multiply
   2,601.84x = 3,904.31 × 1,042.59
4. Step 4: Simplify right side
   2,601.84x = 4,070,589.35
5. Step 5: Solve for x
   x = 4,070,589.35/2,601.84
6. Step 6: Final answer
   x = 1,564.50