Finding the Fourth Proportional to 1,591.32, 2,196.02 and 892.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.32 : 2,196.02 = 892.70 : x
2. Step 2: Convert to fraction form
   1,591.32/2,196.02 = 892.70/x
3. Step 3: Cross multiply
   1,591.32x = 2,196.02 × 892.70
4. Step 4: Simplify right side
   1,591.32x = 1,960,371.61
5. Step 5: Solve for x
   x = 1,960,371.61/1,591.32
6. Step 6: Final answer
   x = 1,231.92