Finding the Fourth Proportional to 1,591.82, 2,196.71 and 893.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.82 : 2,196.71 = 893.20 : x
2. Step 2: Convert to fraction form
   1,591.82/2,196.71 = 893.20/x
3. Step 3: Cross multiply
   1,591.82x = 2,196.71 × 893.20
4. Step 4: Simplify right side
   1,591.82x = 1,962,085.92
5. Step 5: Solve for x
   x = 1,962,085.92/1,591.82
6. Step 6: Final answer
   x = 1,232.61