Finding the Fourth Proportional to 1,591.56, 2,191.86 and 1,444.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.56 : 2,191.86 = 1,444.68 : x
2. Step 2: Convert to fraction form
   1,591.56/2,191.86 = 1,444.68/x
3. Step 3: Cross multiply
   1,591.56x = 2,191.86 × 1,444.68
4. Step 4: Simplify right side
   1,591.56x = 3,166,536.30
5. Step 5: Solve for x
   x = 3,166,536.30/1,591.56
6. Step 6: Final answer
   x = 1,989.58