Finding the Fourth Proportional to 2,040.31, 3,060.50 and 886.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.31 : 3,060.50 = 886.06 : x
2. Step 2: Convert to fraction form
   2,040.31/3,060.50 = 886.06/x
3. Step 3: Cross multiply
   2,040.31x = 3,060.50 × 886.06
4. Step 4: Simplify right side
   2,040.31x = 2,711,796.50
5. Step 5: Solve for x
   x = 2,711,796.50/2,040.31
6. Step 6: Final answer
   x = 1,329.11