Finding the Fourth Proportional to 1,591.04, 2,196.42 and 1,424.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.04 : 2,196.42 = 1,424.59 : x
2. Step 2: Convert to fraction form
   1,591.04/2,196.42 = 1,424.59/x
3. Step 3: Cross multiply
   1,591.04x = 2,196.42 × 1,424.59
4. Step 4: Simplify right side
   1,591.04x = 3,128,987.13
5. Step 5: Solve for x
   x = 3,128,987.13/1,591.04
6. Step 6: Final answer
   x = 1,966.63