Finding the Fourth Proportional to 1,591.67, 2,196.38 and 892.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.67 : 2,196.38 = 892.91 : x
2. Step 2: Convert to fraction form
   1,591.67/2,196.38 = 892.91/x
3. Step 3: Cross multiply
   1,591.67x = 2,196.38 × 892.91
4. Step 4: Simplify right side
   1,591.67x = 1,961,160.31
5. Step 5: Solve for x
   x = 1,961,160.31/1,591.67
6. Step 6: Final answer
   x = 1,232.14