Finding the Fourth Proportional to 1,591.98, 2,196.87 and 893.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.98 : 2,196.87 = 893.22 : x
2. Step 2: Convert to fraction form
   1,591.98/2,196.87 = 893.22/x
3. Step 3: Cross multiply
   1,591.98x = 2,196.87 × 893.22
4. Step 4: Simplify right side
   1,591.98x = 1,962,288.22
5. Step 5: Solve for x
   x = 1,962,288.22/1,591.98
6. Step 6: Final answer
   x = 1,232.61