Finding the Fourth Proportional to 1,876.43, 2,590.58 and 1,346.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876.43 : 2,590.58 = 1,346.42 : x
2. Step 2: Convert to fraction form
   1,876.43/2,590.58 = 1,346.42/x
3. Step 3: Cross multiply
   1,876.43x = 2,590.58 × 1,346.42
4. Step 4: Simplify right side
   1,876.43x = 3,488,018.57
5. Step 5: Solve for x
   x = 3,488,018.57/1,876.43
6. Step 6: Final answer
   x = 1,858.86