Finding the Fourth Proportional to 2,633.61, 3,633.75 and 1,571.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.61 : 3,633.75 = 1,571.78 : x
2. Step 2: Convert to fraction form
   2,633.61/3,633.75 = 1,571.78/x
3. Step 3: Cross multiply
   2,633.61x = 3,633.75 × 1,571.78
4. Step 4: Simplify right side
   2,633.61x = 5,711,444.22
5. Step 5: Solve for x
   x = 5,711,444.22/2,633.61
6. Step 6: Final answer
   x = 2,168.67