Finding the Fourth Proportional to 2,625.59, 3,623.58 and 1,577.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625.59 : 3,623.58 = 1,577.63 : x
2. Step 2: Convert to fraction form
   2,625.59/3,623.58 = 1,577.63/x
3. Step 3: Cross multiply
   2,625.59x = 3,623.58 × 1,577.63
4. Step 4: Simplify right side
   2,625.59x = 5,716,650.40
5. Step 5: Solve for x
   x = 5,716,650.40/2,625.59
6. Step 6: Final answer
   x = 2,177.29