Finding the Fourth Proportional to 2,715.30, 4,072.41 and 982.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.30 : 4,072.41 = 982.98 : x
2. Step 2: Convert to fraction form
   2,715.30/4,072.41 = 982.98/x
3. Step 3: Cross multiply
   2,715.30x = 4,072.41 × 982.98
4. Step 4: Simplify right side
   2,715.30x = 4,003,097.58
5. Step 5: Solve for x
   x = 4,003,097.58/2,715.30
6. Step 6: Final answer
   x = 1,474.27