Finding the Fourth Proportional to 2,045.43, 2,820.90 and 1,487.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.43 : 2,820.90 = 1,487.73 : x
2. Step 2: Convert to fraction form
   2,045.43/2,820.90 = 1,487.73/x
3. Step 3: Cross multiply
   2,045.43x = 2,820.90 × 1,487.73
4. Step 4: Simplify right side
   2,045.43x = 4,196,737.56
5. Step 5: Solve for x
   x = 4,196,737.56/2,045.43
6. Step 6: Final answer
   x = 2,051.76