Finding the Fourth Proportional to 2,146.86, 3,215.40 and 1,758.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.86 : 3,215.40 = 1,758.06 : x
2. Step 2: Convert to fraction form
   2,146.86/3,215.40 = 1,758.06/x
3. Step 3: Cross multiply
   2,146.86x = 3,215.40 × 1,758.06
4. Step 4: Simplify right side
   2,146.86x = 5,652,866.12
5. Step 5: Solve for x
   x = 5,652,866.12/2,146.86
6. Step 6: Final answer
   x = 2,633.09