Finding the Fourth Proportional to 2,026.50, 3,039.60 and 930.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,026.50 : 3,039.60 = 930.56 : x
2. Step 2: Convert to fraction form
   2,026.50/3,039.60 = 930.56/x
3. Step 3: Cross multiply
   2,026.50x = 3,039.60 × 930.56
4. Step 4: Simplify right side
   2,026.50x = 2,828,530.18
5. Step 5: Solve for x
   x = 2,828,530.18/2,026.50
6. Step 6: Final answer
   x = 1,395.77