Finding the Fourth Proportional to 2,826.16, 4,238.50 and 1,265.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.16 : 4,238.50 = 1,265.29 : x
2. Step 2: Convert to fraction form
   2,826.16/4,238.50 = 1,265.29/x
3. Step 3: Cross multiply
   2,826.16x = 4,238.50 × 1,265.29
4. Step 4: Simplify right side
   2,826.16x = 5,362,931.67
5. Step 5: Solve for x
   x = 5,362,931.67/2,826.16
6. Step 6: Final answer
   x = 1,897.60