Finding the Fourth Proportional to 1,669.32, 2,504.01 and 980.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.32 : 2,504.01 = 980.82 : x
2. Step 2: Convert to fraction form
   1,669.32/2,504.01 = 980.82/x
3. Step 3: Cross multiply
   1,669.32x = 2,504.01 × 980.82
4. Step 4: Simplify right side
   1,669.32x = 2,455,983.09
5. Step 5: Solve for x
   x = 2,455,983.09/1,669.32
6. Step 6: Final answer
   x = 1,471.25