Finding the Fourth Proportional to 2,145.56, 2,961.12 and 1,262.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145.56 : 2,961.12 = 1,262.12 : x
2. Step 2: Convert to fraction form
   2,145.56/2,961.12 = 1,262.12/x
3. Step 3: Cross multiply
   2,145.56x = 2,961.12 × 1,262.12
4. Step 4: Simplify right side
   2,145.56x = 3,737,288.77
5. Step 5: Solve for x
   x = 3,737,288.77/2,145.56
6. Step 6: Final answer
   x = 1,741.87