Finding the Fourth Proportional to 1,615.05, 2,419.71 and 675.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615.05 : 2,419.71 = 675.93 : x
2. Step 2: Convert to fraction form
   1,615.05/2,419.71 = 675.93/x
3. Step 3: Cross multiply
   1,615.05x = 2,419.71 × 675.93
4. Step 4: Simplify right side
   1,615.05x = 1,635,554.58
5. Step 5: Solve for x
   x = 1,635,554.58/1,615.05
6. Step 6: Final answer
   x = 1,012.69