Finding the Fourth Proportional to 2,601.30, 3,897.84 and 955.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.30 : 3,897.84 = 955.58 : x
2. Step 2: Convert to fraction form
   2,601.30/3,897.84 = 955.58/x
3. Step 3: Cross multiply
   2,601.30x = 3,897.84 × 955.58
4. Step 4: Simplify right side
   2,601.30x = 3,724,678.46
5. Step 5: Solve for x
   x = 3,724,678.46/2,601.30
6. Step 6: Final answer
   x = 1,431.85