Finding the Fourth Proportional to 2,599.48, 3,897.40 and 955.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.48 : 3,897.40 = 955.81 : x
2. Step 2: Convert to fraction form
   2,599.48/3,897.40 = 955.81/x
3. Step 3: Cross multiply
   2,599.48x = 3,897.40 × 955.81
4. Step 4: Simplify right side
   2,599.48x = 3,725,173.89
5. Step 5: Solve for x
   x = 3,725,173.89/2,599.48
6. Step 6: Final answer
   x = 1,433.05