Finding the Fourth Proportional to 2,124.85, 3,182.57 and 1,300.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.85 : 3,182.57 = 1,300.65 : x
2. Step 2: Convert to fraction form
   2,124.85/3,182.57 = 1,300.65/x
3. Step 3: Cross multiply
   2,124.85x = 3,182.57 × 1,300.65
4. Step 4: Simplify right side
   2,124.85x = 4,139,409.67
5. Step 5: Solve for x
   x = 4,139,409.67/2,124.85
6. Step 6: Final answer
   x = 1,948.10