Finding the Fourth Proportional to 2,545.86, 3,818.17 and 1,064.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545.86 : 3,818.17 = 1,064.28 : x
2. Step 2: Convert to fraction form
   2,545.86/3,818.17 = 1,064.28/x
3. Step 3: Cross multiply
   2,545.86x = 3,818.17 × 1,064.28
4. Step 4: Simplify right side
   2,545.86x = 4,063,577.56
5. Step 5: Solve for x
   x = 4,063,577.56/2,545.86
6. Step 6: Final answer
   x = 1,596.15