Finding the Fourth Proportional to 1,826.15, 2,740.69 and 948.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.15 : 2,740.69 = 948.91 : x
2. Step 2: Convert to fraction form
   1,826.15/2,740.69 = 948.91/x
3. Step 3: Cross multiply
   1,826.15x = 2,740.69 × 948.91
4. Step 4: Simplify right side
   1,826.15x = 2,600,668.15
5. Step 5: Solve for x
   x = 2,600,668.15/1,826.15
6. Step 6: Final answer
   x = 1,424.13