Finding the Fourth Proportional to 1,420.16, 1,959.52 and 799.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420.16 : 1,959.52 = 799.04 : x
2. Step 2: Convert to fraction form
   1,420.16/1,959.52 = 799.04/x
3. Step 3: Cross multiply
   1,420.16x = 1,959.52 × 799.04
4. Step 4: Simplify right side
   1,420.16x = 1,565,734.86
5. Step 5: Solve for x
   x = 1,565,734.86/1,420.16
6. Step 6: Final answer
   x = 1,102.51