Finding the Fourth Proportional to 2,065.61, 3,096.90 and 1,326.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.61 : 3,096.90 = 1,326.06 : x
2. Step 2: Convert to fraction form
   2,065.61/3,096.90 = 1,326.06/x
3. Step 3: Cross multiply
   2,065.61x = 3,096.90 × 1,326.06
4. Step 4: Simplify right side
   2,065.61x = 4,106,675.21
5. Step 5: Solve for x
   x = 4,106,675.21/2,065.61
6. Step 6: Final answer
   x = 1,988.12