Finding the Fourth Proportional to 2,071.73, 3,107.59 and 610.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.73 : 3,107.59 = 610.88 : x
2. Step 2: Convert to fraction form
   2,071.73/3,107.59 = 610.88/x
3. Step 3: Cross multiply
   2,071.73x = 3,107.59 × 610.88
4. Step 4: Simplify right side
   2,071.73x = 1,898,364.58
5. Step 5: Solve for x
   x = 1,898,364.58/2,071.73
6. Step 6: Final answer
   x = 916.32