Finding the Fourth Proportional to 3,667.32, 5,501.52 and 1,720.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.32 : 5,501.52 = 1,720.08 : x
2. Step 2: Convert to fraction form
   3,667.32/5,501.52 = 1,720.08/x
3. Step 3: Cross multiply
   3,667.32x = 5,501.52 × 1,720.08
4. Step 4: Simplify right side
   3,667.32x = 9,463,054.52
5. Step 5: Solve for x
   x = 9,463,054.52/3,667.32
6. Step 6: Final answer
   x = 2,580.37