Finding the Fourth Proportional to 2,667.52, 4,000.06 and 817.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.52 : 4,000.06 = 817.99 : x
2. Step 2: Convert to fraction form
   2,667.52/4,000.06 = 817.99/x
3. Step 3: Cross multiply
   2,667.52x = 4,000.06 × 817.99
4. Step 4: Simplify right side
   2,667.52x = 3,272,009.08
5. Step 5: Solve for x
   x = 3,272,009.08/2,667.52
6. Step 6: Final answer
   x = 1,226.61