Finding the Fourth Proportional to 2,072.00, 3,106.98 and 610.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.00 : 3,106.98 = 610.76 : x
2. Step 2: Convert to fraction form
   2,072.00/3,106.98 = 610.76/x
3. Step 3: Cross multiply
   2,072.00x = 3,106.98 × 610.76
4. Step 4: Simplify right side
   2,072.00x = 1,897,603.57
5. Step 5: Solve for x
   x = 1,897,603.57/2,072.00
6. Step 6: Final answer
   x = 915.83