Finding the Fourth Proportional to 2,651.88, 3,661.43 and 1,657.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.88 : 3,661.43 = 1,657.61 : x
2. Step 2: Convert to fraction form
   2,651.88/3,661.43 = 1,657.61/x
3. Step 3: Cross multiply
   2,651.88x = 3,661.43 × 1,657.61
4. Step 4: Simplify right side
   2,651.88x = 6,069,196.39
5. Step 5: Solve for x
   x = 6,069,196.39/2,651.88
6. Step 6: Final answer
   x = 2,288.64