Finding the Fourth Proportional to 1,295.72, 1,788.42 and 799.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,295.72 : 1,788.42 = 799.08 : x
2. Step 2: Convert to fraction form
   1,295.72/1,788.42 = 799.08/x
3. Step 3: Cross multiply
   1,295.72x = 1,788.42 × 799.08
4. Step 4: Simplify right side
   1,295.72x = 1,429,090.65
5. Step 5: Solve for x
   x = 1,429,090.65/1,295.72
6. Step 6: Final answer
   x = 1,102.93