Finding the Fourth Proportional to 2,085.10, 3,124.05 and 1,354.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.10 : 3,124.05 = 1,354.30 : x
2. Step 2: Convert to fraction form
   2,085.10/3,124.05 = 1,354.30/x
3. Step 3: Cross multiply
   2,085.10x = 3,124.05 × 1,354.30
4. Step 4: Simplify right side
   2,085.10x = 4,230,900.92
5. Step 5: Solve for x
   x = 4,230,900.92/2,085.10
6. Step 6: Final answer
   x = 2,029.11