Finding the Fourth Proportional to 2,624.50, 3,621.92 and 1,561.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.50 : 3,621.92 = 1,561.98 : x
2. Step 2: Convert to fraction form
   2,624.50/3,621.92 = 1,561.98/x
3. Step 3: Cross multiply
   2,624.50x = 3,621.92 × 1,561.98
4. Step 4: Simplify right side
   2,624.50x = 5,657,372.37
5. Step 5: Solve for x
   x = 5,657,372.37/2,624.50
6. Step 6: Final answer
   x = 2,155.60