Finding the Fourth Proportional to 2,641.59, 3,644.64 and 1,507.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.59 : 3,644.64 = 1,507.23 : x
2. Step 2: Convert to fraction form
   2,641.59/3,644.64 = 1,507.23/x
3. Step 3: Cross multiply
   2,641.59x = 3,644.64 × 1,507.23
4. Step 4: Simplify right side
   2,641.59x = 5,493,310.75
5. Step 5: Solve for x
   x = 5,493,310.75/2,641.59
6. Step 6: Final answer
   x = 2,079.55