Finding the Fourth Proportional to 2,601.72, 3,590.44 and 1,554.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.72 : 3,590.44 = 1,554.38 : x
2. Step 2: Convert to fraction form
   2,601.72/3,590.44 = 1,554.38/x
3. Step 3: Cross multiply
   2,601.72x = 3,590.44 × 1,554.38
4. Step 4: Simplify right side
   2,601.72x = 5,580,908.13
5. Step 5: Solve for x
   x = 5,580,908.13/2,601.72
6. Step 6: Final answer
   x = 2,145.08