Finding the Fourth Proportional to 1,659.69, 2,488.10 and 974.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.69 : 2,488.10 = 974.25 : x
2. Step 2: Convert to fraction form
   1,659.69/2,488.10 = 974.25/x
3. Step 3: Cross multiply
   1,659.69x = 2,488.10 × 974.25
4. Step 4: Simplify right side
   1,659.69x = 2,424,026.55
5. Step 5: Solve for x
   x = 2,424,026.55/1,659.69
6. Step 6: Final answer
   x = 1,460.53