Finding the Fourth Proportional to 2,045.43, 2,820.51 and 1,878.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.43 : 2,820.51 = 1,878.96 : x
2. Step 2: Convert to fraction form
   2,045.43/2,820.51 = 1,878.96/x
3. Step 3: Cross multiply
   2,045.43x = 2,820.51 × 1,878.96
4. Step 4: Simplify right side
   2,045.43x = 5,299,625.47
5. Step 5: Solve for x
   x = 5,299,625.47/2,045.43
6. Step 6: Final answer
   x = 2,590.96