Finding the Fourth Proportional to 1,254.89, 1,732.05 and 856.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254.89 : 1,732.05 = 856.37 : x
2. Step 2: Convert to fraction form
   1,254.89/1,732.05 = 856.37/x
3. Step 3: Cross multiply
   1,254.89x = 1,732.05 × 856.37
4. Step 4: Simplify right side
   1,254.89x = 1,483,267.00
5. Step 5: Solve for x
   x = 1,483,267.00/1,254.89
6. Step 6: Final answer
   x = 1,181.99