Finding the Fourth Proportional to 1,359.02, 1,875.57 and 799.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.02 : 1,875.57 = 799.21 : x
2. Step 2: Convert to fraction form
   1,359.02/1,875.57 = 799.21/x
3. Step 3: Cross multiply
   1,359.02x = 1,875.57 × 799.21
4. Step 4: Simplify right side
   1,359.02x = 1,498,960.93
5. Step 5: Solve for x
   x = 1,498,960.93/1,359.02
6. Step 6: Final answer
   x = 1,102.98