Finding the Fourth Proportional to 2,276.45, 3,411.72 and 1,026.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.45 : 3,411.72 = 1,026.12 : x
2. Step 2: Convert to fraction form
   2,276.45/3,411.72 = 1,026.12/x
3. Step 3: Cross multiply
   2,276.45x = 3,411.72 × 1,026.12
4. Step 4: Simplify right side
   2,276.45x = 3,500,834.13
5. Step 5: Solve for x
   x = 3,500,834.13/2,276.45
6. Step 6: Final answer
   x = 1,537.85