Finding the Fourth Proportional to 1,868.79, 2,799.54 and 1,136.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.79 : 2,799.54 = 1,136.55 : x
2. Step 2: Convert to fraction form
   1,868.79/2,799.54 = 1,136.55/x
3. Step 3: Cross multiply
   1,868.79x = 2,799.54 × 1,136.55
4. Step 4: Simplify right side
   1,868.79x = 3,181,804.51
5. Step 5: Solve for x
   x = 3,181,804.51/1,868.79
6. Step 6: Final answer
   x = 1,702.60