Finding the Fourth Proportional to 2,040.55, 3,060.32 and 869.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.55 : 3,060.32 = 869.98 : x
2. Step 2: Convert to fraction form
   2,040.55/3,060.32 = 869.98/x
3. Step 3: Cross multiply
   2,040.55x = 3,060.32 × 869.98
4. Step 4: Simplify right side
   2,040.55x = 2,662,410.30
5. Step 5: Solve for x
   x = 2,662,410.30/2,040.55
6. Step 6: Final answer
   x = 1,304.75