Finding the Fourth Proportional to 2,902.50, 4,354.06 and 955.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.50 : 4,354.06 = 955.06 : x
2. Step 2: Convert to fraction form
   2,902.50/4,354.06 = 955.06/x
3. Step 3: Cross multiply
   2,902.50x = 4,354.06 × 955.06
4. Step 4: Simplify right side
   2,902.50x = 4,158,388.54
5. Step 5: Solve for x
   x = 4,158,388.54/2,902.50
6. Step 6: Final answer
   x = 1,432.69