Finding the Fourth Proportional to 2,064.20, 3,091.14 and 1,445.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.20 : 3,091.14 = 1,445.00 : x
2. Step 2: Convert to fraction form
   2,064.20/3,091.14 = 1,445.00/x
3. Step 3: Cross multiply
   2,064.20x = 3,091.14 × 1,445.00
4. Step 4: Simplify right side
   2,064.20x = 4,466,681.84
5. Step 5: Solve for x
   x = 4,466,681.84/2,064.20
6. Step 6: Final answer
   x = 2,163.89