Finding the Fourth Proportional to 1,877.43, 2,590.83 and 1,038.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877.43 : 2,590.83 = 1,038.12 : x
2. Step 2: Convert to fraction form
   1,877.43/2,590.83 = 1,038.12/x
3. Step 3: Cross multiply
   1,877.43x = 2,590.83 × 1,038.12
4. Step 4: Simplify right side
   1,877.43x = 2,689,586.37
5. Step 5: Solve for x
   x = 2,689,586.37/1,877.43
6. Step 6: Final answer
   x = 1,432.59