Finding the Fourth Proportional to 3,667.20, 5,501.16 and 1,201.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.20 : 5,501.16 = 1,201.92 : x
2. Step 2: Convert to fraction form
   3,667.20/5,501.16 = 1,201.92/x
3. Step 3: Cross multiply
   3,667.20x = 5,501.16 × 1,201.92
4. Step 4: Simplify right side
   3,667.20x = 6,611,954.23
5. Step 5: Solve for x
   x = 6,611,954.23/3,667.20
6. Step 6: Final answer
   x = 1,803.00