Finding the Fourth Proportional to 2,018.45, 2,784.71 and 1,545.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.45 : 2,784.71 = 1,545.86 : x
2. Step 2: Convert to fraction form
   2,018.45/2,784.71 = 1,545.86/x
3. Step 3: Cross multiply
   2,018.45x = 2,784.71 × 1,545.86
4. Step 4: Simplify right side
   2,018.45x = 4,304,782.63
5. Step 5: Solve for x
   x = 4,304,782.63/2,018.45
6. Step 6: Final answer
   x = 2,132.71