Finding the Fourth Proportional to 1,667.22, 2,501.33 and 497.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.22 : 2,501.33 = 497.23 : x
2. Step 2: Convert to fraction form
   1,667.22/2,501.33 = 497.23/x
3. Step 3: Cross multiply
   1,667.22x = 2,501.33 × 497.23
4. Step 4: Simplify right side
   1,667.22x = 1,243,736.32
5. Step 5: Solve for x
   x = 1,243,736.32/1,667.22
6. Step 6: Final answer
   x = 745.99