Finding the Fourth Proportional to 800.01, 1,196.69 and 540.09

Step by Step Solution

1. Step 1: Write the proportion equation
   800.01 : 1,196.69 = 540.09 : x
2. Step 2: Convert to fraction form
   800.01/1,196.69 = 540.09/x
3. Step 3: Cross multiply
   800.01x = 1,196.69 × 540.09
4. Step 4: Simplify right side
   800.01x = 646,317.60
5. Step 5: Solve for x
   x = 646,317.60/800.01
6. Step 6: Final answer
   x = 807.89