Finding the Fourth Proportional to 2,072.84, 3,104.80 and 975.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.84 : 3,104.80 = 975.56 : x
2. Step 2: Convert to fraction form
   2,072.84/3,104.80 = 975.56/x
3. Step 3: Cross multiply
   2,072.84x = 3,104.80 × 975.56
4. Step 4: Simplify right side
   2,072.84x = 3,028,918.69
5. Step 5: Solve for x
   x = 3,028,918.69/2,072.84
6. Step 6: Final answer
   x = 1,461.24