Finding the Fourth Proportional to 2,998.17, 4,499.57 and 1,957.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,998.17 : 4,499.57 = 1,957.89 : x
2. Step 2: Convert to fraction form
   2,998.17/4,499.57 = 1,957.89/x
3. Step 3: Cross multiply
   2,998.17x = 4,499.57 × 1,957.89
4. Step 4: Simplify right side
   2,998.17x = 8,809,653.32
5. Step 5: Solve for x
   x = 8,809,653.32/2,998.17
6. Step 6: Final answer
   x = 2,938.34