Finding the Fourth Proportional to 1,587.87, 2,191.83 and 1,196.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,587.87 : 2,191.83 = 1,196.02 : x
2. Step 2: Convert to fraction form
   1,587.87/2,191.83 = 1,196.02/x
3. Step 3: Cross multiply
   1,587.87x = 2,191.83 × 1,196.02
4. Step 4: Simplify right side
   1,587.87x = 2,621,472.52
5. Step 5: Solve for x
   x = 2,621,472.52/1,587.87
6. Step 6: Final answer
   x = 1,650.94