Finding the Fourth Proportional to 2,059.86, 3,087.45 and 873.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.86 : 3,087.45 = 873.16 : x
2. Step 2: Convert to fraction form
   2,059.86/3,087.45 = 873.16/x
3. Step 3: Cross multiply
   2,059.86x = 3,087.45 × 873.16
4. Step 4: Simplify right side
   2,059.86x = 2,695,847.49
5. Step 5: Solve for x
   x = 2,695,847.49/2,059.86
6. Step 6: Final answer
   x = 1,308.75