Finding the Fourth Proportional to 2,992.96, 4,488.52 and 801.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,992.96 : 4,488.52 = 801.40 : x
2. Step 2: Convert to fraction form
   2,992.96/4,488.52 = 801.40/x
3. Step 3: Cross multiply
   2,992.96x = 4,488.52 × 801.40
4. Step 4: Simplify right side
   2,992.96x = 3,597,099.93
5. Step 5: Solve for x
   x = 3,597,099.93/2,992.96
6. Step 6: Final answer
   x = 1,201.85