Finding the Fourth Proportional to 2,506.08, 3,457.91 and 1,621.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506.08 : 3,457.91 = 1,621.76 : x
2. Step 2: Convert to fraction form
   2,506.08/3,457.91 = 1,621.76/x
3. Step 3: Cross multiply
   2,506.08x = 3,457.91 × 1,621.76
4. Step 4: Simplify right side
   2,506.08x = 5,607,912.82
5. Step 5: Solve for x
   x = 5,607,912.82/2,506.08
6. Step 6: Final answer
   x = 2,237.72