Finding the Fourth Proportional to 1,591.45, 2,196.30 and 892.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.45 : 2,196.30 = 892.81 : x
2. Step 2: Convert to fraction form
   1,591.45/2,196.30 = 892.81/x
3. Step 3: Cross multiply
   1,591.45x = 2,196.30 × 892.81
4. Step 4: Simplify right side
   1,591.45x = 1,960,878.60
5. Step 5: Solve for x
   x = 1,960,878.60/1,591.45
6. Step 6: Final answer
   x = 1,232.13