Finding the Fourth Proportional to 2,572.89, 3,550.23 and 1,577.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.89 : 3,550.23 = 1,577.97 : x
2. Step 2: Convert to fraction form
   2,572.89/3,550.23 = 1,577.97/x
3. Step 3: Cross multiply
   2,572.89x = 3,550.23 × 1,577.97
4. Step 4: Simplify right side
   2,572.89x = 5,602,156.43
5. Step 5: Solve for x
   x = 5,602,156.43/2,572.89
6. Step 6: Final answer
   x = 2,177.38