Finding the Fourth Proportional to 1,359.12, 1,875.06 and 799.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.12 : 1,875.06 = 799.68 : x
2. Step 2: Convert to fraction form
   1,359.12/1,875.06 = 799.68/x
3. Step 3: Cross multiply
   1,359.12x = 1,875.06 × 799.68
4. Step 4: Simplify right side
   1,359.12x = 1,499,447.98
5. Step 5: Solve for x
   x = 1,499,447.98/1,359.12
6. Step 6: Final answer
   x = 1,103.25