Finding the Fourth Proportional to 2,558.52, 3,531.54 and 1,601.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.52 : 3,531.54 = 1,601.94 : x
2. Step 2: Convert to fraction form
   2,558.52/3,531.54 = 1,601.94/x
3. Step 3: Cross multiply
   2,558.52x = 3,531.54 × 1,601.94
4. Step 4: Simplify right side
   2,558.52x = 5,657,315.19
5. Step 5: Solve for x
   x = 5,657,315.19/2,558.52
6. Step 6: Final answer
   x = 2,211.17