Finding the Fourth Proportional to 1,591.89, 2,196.68 and 893.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.89 : 2,196.68 = 893.13 : x
2. Step 2: Convert to fraction form
   1,591.89/2,196.68 = 893.13/x
3. Step 3: Cross multiply
   1,591.89x = 2,196.68 × 893.13
4. Step 4: Simplify right side
   1,591.89x = 1,961,920.81
5. Step 5: Solve for x
   x = 1,961,920.81/1,591.89
6. Step 6: Final answer
   x = 1,232.45