Finding the Fourth Proportional to 3,667.86, 5,500.98 and 1,327.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.86 : 5,500.98 = 1,327.50 : x
2. Step 2: Convert to fraction form
   3,667.86/5,500.98 = 1,327.50/x
3. Step 3: Cross multiply
   3,667.86x = 5,500.98 × 1,327.50
4. Step 4: Simplify right side
   3,667.86x = 7,302,550.95
5. Step 5: Solve for x
   x = 7,302,550.95/3,667.86
6. Step 6: Final answer
   x = 1,990.96