Finding the Fourth Proportional to 1,517.61, 2,094.30 and 854.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.61 : 2,094.30 = 854.61 : x
2. Step 2: Convert to fraction form
   1,517.61/2,094.30 = 854.61/x
3. Step 3: Cross multiply
   1,517.61x = 2,094.30 × 854.61
4. Step 4: Simplify right side
   1,517.61x = 1,789,809.72
5. Step 5: Solve for x
   x = 1,789,809.72/1,517.61
6. Step 6: Final answer
   x = 1,179.36