Finding the Fourth Proportional to 2,601.96, 3,590.78 and 1,554.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.96 : 3,590.78 = 1,554.63 : x
2. Step 2: Convert to fraction form
   2,601.96/3,590.78 = 1,554.63/x
3. Step 3: Cross multiply
   2,601.96x = 3,590.78 × 1,554.63
4. Step 4: Simplify right side
   2,601.96x = 5,582,326.54
5. Step 5: Solve for x
   x = 5,582,326.54/2,601.96
6. Step 6: Final answer
   x = 2,145.43