Finding the Fourth Proportional to 1,071.03, 1,597.50 and 976.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.03 : 1,597.50 = 976.71 : x
2. Step 2: Convert to fraction form
   1,071.03/1,597.50 = 976.71/x
3. Step 3: Cross multiply
   1,071.03x = 1,597.50 × 976.71
4. Step 4: Simplify right side
   1,071.03x = 1,560,288.68
5. Step 5: Solve for x
   x = 1,560,288.68/1,071.03
6. Step 6: Final answer
   x = 1,456.82