Finding the Fourth Proportional to 2,605.52, 3,595.62 and 1,426.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.52 : 3,595.62 = 1,426.61 : x
2. Step 2: Convert to fraction form
   2,605.52/3,595.62 = 1,426.61/x
3. Step 3: Cross multiply
   2,605.52x = 3,595.62 × 1,426.61
4. Step 4: Simplify right side
   2,605.52x = 5,129,547.45
5. Step 5: Solve for x
   x = 5,129,547.45/2,605.52
6. Step 6: Final answer
   x = 1,968.72