Finding the Fourth Proportional to 1,868.91, 2,799.72 and 1,136.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.91 : 2,799.72 = 1,136.67 : x
2. Step 2: Convert to fraction form
   1,868.91/2,799.72 = 1,136.67/x
3. Step 3: Cross multiply
   1,868.91x = 2,799.72 × 1,136.67
4. Step 4: Simplify right side
   1,868.91x = 3,182,357.73
5. Step 5: Solve for x
   x = 3,182,357.73/1,868.91
6. Step 6: Final answer
   x = 1,702.79