Finding the Fourth Proportional to 2,624.10, 3,621.69 and 1,577.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.10 : 3,621.69 = 1,577.22 : x
2. Step 2: Convert to fraction form
   2,624.10/3,621.69 = 1,577.22/x
3. Step 3: Cross multiply
   2,624.10x = 3,621.69 × 1,577.22
4. Step 4: Simplify right side
   2,624.10x = 5,712,201.90
5. Step 5: Solve for x
   x = 5,712,201.90/2,624.10
6. Step 6: Final answer
   x = 2,176.82