Finding the Fourth Proportional to 2,610.78, 3,914.28 and 944.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.78 : 3,914.28 = 944.34 : x
2. Step 2: Convert to fraction form
   2,610.78/3,914.28 = 944.34/x
3. Step 3: Cross multiply
   2,610.78x = 3,914.28 × 944.34
4. Step 4: Simplify right side
   2,610.78x = 3,696,411.18
5. Step 5: Solve for x
   x = 3,696,411.18/2,610.78
6. Step 6: Final answer
   x = 1,415.83