Finding the Fourth Proportional to 2,054.87, 2,836.02 and 1,170.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.87 : 2,836.02 = 1,170.76 : x
2. Step 2: Convert to fraction form
   2,054.87/2,836.02 = 1,170.76/x
3. Step 3: Cross multiply
   2,054.87x = 2,836.02 × 1,170.76
4. Step 4: Simplify right side
   2,054.87x = 3,320,298.78
5. Step 5: Solve for x
   x = 3,320,298.78/2,054.87
6. Step 6: Final answer
   x = 1,615.82