Finding the Fourth Proportional to 1,666.82, 2,498.88 and 1,017.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.82 : 2,498.88 = 1,017.34 : x
2. Step 2: Convert to fraction form
   1,666.82/2,498.88 = 1,017.34/x
3. Step 3: Cross multiply
   1,666.82x = 2,498.88 × 1,017.34
4. Step 4: Simplify right side
   1,666.82x = 2,542,210.58
5. Step 5: Solve for x
   x = 2,542,210.58/1,666.82
6. Step 6: Final answer
   x = 1,525.19