Finding the Fourth Proportional to 2,621.76, 3,616.31 and 1,573.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.76 : 3,616.31 = 1,573.82 : x
2. Step 2: Convert to fraction form
   2,621.76/3,616.31 = 1,573.82/x
3. Step 3: Cross multiply
   2,621.76x = 3,616.31 × 1,573.82
4. Step 4: Simplify right side
   2,621.76x = 5,691,421.00
5. Step 5: Solve for x
   x = 5,691,421.00/2,621.76
6. Step 6: Final answer
   x = 2,170.84