Finding the Fourth Proportional to 1,881.77, 2,596.81 and 1,042.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881.77 : 2,596.81 = 1,042.47 : x
2. Step 2: Convert to fraction form
   1,881.77/2,596.81 = 1,042.47/x
3. Step 3: Cross multiply
   1,881.77x = 2,596.81 × 1,042.47
4. Step 4: Simplify right side
   1,881.77x = 2,707,078.32
5. Step 5: Solve for x
   x = 2,707,078.32/1,881.77
6. Step 6: Final answer
   x = 1,438.58