Finding the Fourth Proportional to 2,253.61, 3,374.95 and 1,667.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.61 : 3,374.95 = 1,667.17 : x
2. Step 2: Convert to fraction form
   2,253.61/3,374.95 = 1,667.17/x
3. Step 3: Cross multiply
   2,253.61x = 3,374.95 × 1,667.17
4. Step 4: Simplify right side
   2,253.61x = 5,626,615.39
5. Step 5: Solve for x
   x = 5,626,615.39/2,253.61
6. Step 6: Final answer
   x = 2,496.71