Finding the Fourth Proportional to 1,664.84, 2,498.73 and 970.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.84 : 2,498.73 = 970.56 : x
2. Step 2: Convert to fraction form
   1,664.84/2,498.73 = 970.56/x
3. Step 3: Cross multiply
   1,664.84x = 2,498.73 × 970.56
4. Step 4: Simplify right side
   1,664.84x = 2,425,154.90
5. Step 5: Solve for x
   x = 2,425,154.90/1,664.84
6. Step 6: Final answer
   x = 1,456.69