Finding the Fourth Proportional to 3,701.94, 5,553.72 and 1,621.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,701.94 : 5,553.72 = 1,621.05 : x
2. Step 2: Convert to fraction form
   3,701.94/5,553.72 = 1,621.05/x
3. Step 3: Cross multiply
   3,701.94x = 5,553.72 × 1,621.05
4. Step 4: Simplify right side
   3,701.94x = 9,002,857.81
5. Step 5: Solve for x
   x = 9,002,857.81/3,701.94
6. Step 6: Final answer
   x = 2,431.93