Finding the Fourth Proportional to 2,686.86, 4,030.53 and 1,043.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.86 : 4,030.53 = 1,043.82 : x
2. Step 2: Convert to fraction form
   2,686.86/4,030.53 = 1,043.82/x
3. Step 3: Cross multiply
   2,686.86x = 4,030.53 × 1,043.82
4. Step 4: Simplify right side
   2,686.86x = 4,207,147.82
5. Step 5: Solve for x
   x = 4,207,147.82/2,686.86
6. Step 6: Final answer
   x = 1,565.82