Finding the Fourth Proportional to 1,358.53, 1,874.78 and 799.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.53 : 1,874.78 = 799.02 : x
2. Step 2: Convert to fraction form
   1,358.53/1,874.78 = 799.02/x
3. Step 3: Cross multiply
   1,358.53x = 1,874.78 × 799.02
4. Step 4: Simplify right side
   1,358.53x = 1,497,982.72
5. Step 5: Solve for x
   x = 1,497,982.72/1,358.53
6. Step 6: Final answer
   x = 1,102.65