Finding the Fourth Proportional to 1,409.94, 1,944.90 and 1,077.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.94 : 1,944.90 = 1,077.30 : x
2. Step 2: Convert to fraction form
   1,409.94/1,944.90 = 1,077.30/x
3. Step 3: Cross multiply
   1,409.94x = 1,944.90 × 1,077.30
4. Step 4: Simplify right side
   1,409.94x = 2,095,240.77
5. Step 5: Solve for x
   x = 2,095,240.77/1,409.94
6. Step 6: Final answer
   x = 1,486.05