Finding the Fourth Proportional to 1,869.10, 2,800.56 and 1,136.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869.10 : 2,800.56 = 1,136.46 : x
2. Step 2: Convert to fraction form
   1,869.10/2,800.56 = 1,136.46/x
3. Step 3: Cross multiply
   1,869.10x = 2,800.56 × 1,136.46
4. Step 4: Simplify right side
   1,869.10x = 3,182,724.42
5. Step 5: Solve for x
   x = 3,182,724.42/1,869.10
6. Step 6: Final answer
   x = 1,702.81