Finding the Fourth Proportional to 2,902.58, 4,353.86 and 954.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.58 : 4,353.86 = 954.78 : x
2. Step 2: Convert to fraction form
   2,902.58/4,353.86 = 954.78/x
3. Step 3: Cross multiply
   2,902.58x = 4,353.86 × 954.78
4. Step 4: Simplify right side
   2,902.58x = 4,156,990.00
5. Step 5: Solve for x
   x = 4,156,990.00/2,902.58
6. Step 6: Final answer
   x = 1,432.17