Finding the Fourth Proportional to 1,519.84, 2,097.47 and 856.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.84 : 2,097.47 = 856.72 : x
2. Step 2: Convert to fraction form
   1,519.84/2,097.47 = 856.72/x
3. Step 3: Cross multiply
   1,519.84x = 2,097.47 × 856.72
4. Step 4: Simplify right side
   1,519.84x = 1,796,944.50
5. Step 5: Solve for x
   x = 1,796,944.50/1,519.84
6. Step 6: Final answer
   x = 1,182.32