Finding the Fourth Proportional to 2,087.08, 2,873.61 and 1,771.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.08 : 2,873.61 = 1,771.72 : x
2. Step 2: Convert to fraction form
   2,087.08/2,873.61 = 1,771.72/x
3. Step 3: Cross multiply
   2,087.08x = 2,873.61 × 1,771.72
4. Step 4: Simplify right side
   2,087.08x = 5,091,225.13
5. Step 5: Solve for x
   x = 5,091,225.13/2,087.08
6. Step 6: Final answer
   x = 2,439.40